Nope. She needed Baam to fight Kallavan.
Baam fighting Kallavan to avenge Jinsung and realising how weak he was is the reason that Baam asked Evankhell to train him, that Baam trained so hard over the past 2 years, that Baam went to Dowon's Wall and that Baam stormed the Nest.
Kallavan as Baam's nemesis is something that Maschenny orchestrated and used to drive Baam's growth.
Baam is only just now learning of Maschenny's existence.
Maschenny kidnapping Jinsung without any of the Kallavan stuff wouldn't have been as effective. Again, Baam doesn't even know WHO Maschenny is. She'd just be a faceless enemy that was holding his master captive.
Baam wasn't just trying to rescue Jinsung, he genuinely thought that his master was dead and sought to avenge him and so hunted down Kallavan.
There's not much to say other than this just seems like your opinion. Mas had no way to know that Baam would be trained by EVK specifically for instance. She just suspected, correctly, Baam would chase the captors of his master. Whatever face that is - Kallavan or otherwise. She could have made Baam chase her directly, such as Itachi with Sasuke. Kallavan was merely a placeholder means to an ends for someone that largely doesn't like to get her nails dirty. It's a bit silly to say that's the ONLY way she could have motivated Baam - she could have just as likely taken Jinsung hostage and send a ransom note to his pocket or shown her face directly. She could have got him to go to the Wall or Nest or whatever. She could have Aizen'd the situation up and made Ichigo get experience and training in any number of ways, including by aiming for her directly. There's nothing to say otherwise.
You're also glossing over the elephant in the room in your equation - she pointedly says it would have been hard to pierce Jinsung any other way. She made reference to NEEDING Jinsung to be softened up, and we see how that played out by allowing Kallavan to do the heavy lifting. What we don't know is if she could have done as much herself. I admit I don't know, while you claim to know something that you can't possibly know. Only one of us is attempting to be objective about this. But, it's cool, I know how you feel about Mas. Keep in mind as you read the next part that I'm a much bigger, idk 'stan' to use your vernacular of Jinsung than the cardboard that is Kallavan, but readily admit that it looks like Jinsung couldn't perform against the later.
Maschenny backstabbed Jinsung as he was about to attack Kallavan.
Oh, and with what attack would that be (SIU never says he even had one btw)? Flailing Kallavan with his now-shredded arm pieces? Martial artists are what kind of fighters... hand-to-hand, no? Jinsung was out of options and simply screaming, there was no attack there. If you even paid attention to his thoughts he was concerned about not having the chance to show Baam his ace-up-his-sleeve move. i.e., he was concerned he was about to die. His mentality was not 'Oh, I totes got this' but rather the opposite. Kallavan, OTOH, was still confident in winning after tanking Jinsung's final attempt (again, read Jinsung's thoughts on the matter), and his attitude/words were backed up by his actions.
SIU said that the heavens were smiling on Kallavan with Maschenny showing up.
Just let me get this straight - Kallavan was NOT killed as Jinsung thought he was going to do. So, Jinsung was wrong in using final getsuga tensho being fatal to Kallavan - and that benefit had nothing to do with Mas but with Kallavan himself. THEN, Kallavan blew past Jinsung's now-depleted (keep in mind Jinsung was battered and beaten even prior to their final confrontation, he could not counter EoB release in the slightest) defenses and EASILY bested Jinsung in speed, strength and durability by grabbing what he literally describes as Jinsung's weapons - his arms, and EASILY destroying them with a mere squeeze (showing his Ha-enforcement was nothing compared to Kallavan's strength). Kallavan was well-aware of Jinsung's lethality at this point and pointedly took that away from him for good in that battle. IF Jinsung was going to attack again, and we don't even know he could do the same crouching-tiger/hidden-dragon move as he looked totally gassed, he missed the opportunity (showing incompetence at the least) - and that's a big IF. After losing his arms, he's effectively neutralized. All he could manage was a final RFC via his feet - which was impressive but deals ZERO DAMAGE - before collapsing. Kallavan, OTOH, went on to fly full-speed to Baam and take on the likes of EVK/Baam/Yuri/Karaka all at once, not even being stopped by EVK's flames or slowed down in chasing Baam. This is right on the heels of besting Jinsung. Jinsung could only face-plant. IOW, Jinsung was spent while Kallavan had plenty left in the tank.
So, THAT person had the heaven's smiling on him with Mas' (completely unnecessary) intervention? LOL, SIU often proves he's a clown and this is one example. The fight, again, speaks for itself. Not SIU's meanderings after the fact that contradict entirely what we just read. Kallavan was clearly fine on his own. Mas HAD to step in or her prey and thus plan to use Jinsung would be squashed into a further bloody pulp.
The narrative that Maschenny was intervening solely to save Jinsung's life there is not only a contradiction of what happened in the manga,
Not in the slightest. Not per how things played out (which is all that really matters), and not per Jinsung's thoughts, nor Kallavan's feats after the fact, nor in what happened to Jinsung's biggest asset, his arms. It would be like White having his souls/swords taken from him and being bloodied with a hole in his chest. He's done!
it's a contradiction of what the author said as well.
From an author that is inconsistent and often writes comments that are counter to what we see with our apparently lying eyes, this means absolutely nothing. If his blog contradicts his works, then I'm going with his actual works. It makes no sense at all to say his blog is more important than the actual story in discussing, you know, the story.
The age argument is nonsense.
Nyet. It is established fact from the story. And applicable across the board to some level or another when talking about comparing one ranker to another. It's one consideration, not the be-all, end-all... but still very applicable.
- Enne Zahard is < 1/10th of Maschenny's age.
Enne is full-blood irregular. Apples to oranges.
- Kallavan is even younger than Maschenny.
Kallavan *inherited* countless thousands of years of strength and fighting ability by EoB. Apples to oranges.
- Adori is around Maschenny's age or even younger.
Adori has been noted as a once-in-a-lifetime example. She's, again, an exception - not the rule. Much ado was made about how
Adori is an exception. Further, there's probably more than meets the eye with her. Many here, myself included, think she got a double-dose of Zahard, or is a creation of sorts that supersedes the potential ability of a 'natural' princess. Her hair color being one possible hint, but certainly her feats and how rare of a performer she is. Now, maybe she's 100% natural (other than the Z-blood doping), but, again and though I repeat myself, she's an exception.
What you're not being honest about is you drop a small handful of exceptions and are arguing that the rule writ large that mostly applies to every ranker isn't in fact exactly that, a rule. Please compare apples to apples, and oranges to oranges, and be fair enough to concede that this 'rule' is generally applicable and applicable when making comparisons.
You're also underrating the effect of Zahard's blood.
I mean, I did address it specifically. Could you be overrating it? Princesses still have limits. Where does that limit sit in comparison to one of the tower's most ancient rankers in existence (particularly with 50% irregular blood)? How much of an addition does Z-blood add exactly, and is that across the board or case-by-case and thus variable? How do you quantify the additional strength it adds? You can't... no one can at this point.
Yuri is the most talented member of the Ha Family (ergo even more talented than Jinsung's mother and aunt).
Yuri is more talented than both pure-irregular-blooded twins? Not likely. More talented of her generation, maybe. Talent also not being equivalent to
strength. A young girl gymnast might be more 'talented' than I am, most assuredly so in many ways. That doesn't mean she can dead-lift more, or that I can't kick in her tiny chest cavity. Words have a meaning after all.
Maschenny has way more Irregular blood (her mother appears to also be a daughter of Eduan) and she hails from the strongest Khun bloodline.
Mas has 25% as you point out being a grand-daughter of an irregular. Before Zahard. How much of a boost does the Z-blood add again I ask - there's no way to know. It doesn't displace her inherited potential, it adds to it. Strictly speaking, it is a boost. Let's say that's a double boost. That would make her roughly equivalent to a 50%-irregular-blooded individual, which is like Jinsung. Only, Jinsung is much older and that aging process adds to his strength beyond what Mas has aged to gaining. He'll forever have that head-start. Maybe it more than doubles her potential, but, again, how does that compare to being possibly tens of thousands of years older? There's no clear answer really.