I don't really agree with your proposition, but I do think Buggy will end up having a devil fruit under the wrong name, or at least it'll be more important than it seems. I know people will frown upon this idea, but the moment Vegapunk said there was an old devil fruit encyclopedia that did not include the Gum-Gum fruit, we might be in for some surprises. I know he's a gag character, but he was one of the first antagonists that Oda really thought about, so it should come as no coincidence that he's still in the story when we're entering the final arc. He even got his fruit in a similar fashion to Luffy, so caution is advised.
His role was probably thought about a long time ago, so the question is: will he ever have real power? Maybe not, and he's just a gag character to keep things light, who keeps failing upward, but I thought about the potential applications of his power given the current narrative, and there are scary possibilities.
He already has two tremendously important powers that are constantly talked about: he draws people towards him, and he's God's Natural Enemy, in case we're talking about the God of the Blade, and epithet already used in the story.
This is a bit wild, but how could his devil fruit be important?
I think full mastery of it could allow the user to split up something other than his body, like his conscience or his will/soul. He's actually called the "Genius Jester", and we have another proven genius that split himself into several pieces. He also shares some motifs with Caesar, another "Bombastic Clown". His theme is using others to do his bidding, while he remains a powerless coward, so perhaps all these new overpowered robots are missing a conscience or soul of their own, and Buggy could take control of them.
Wild stuff, but I do believe he'll stop just being a gag character at some point, at least in terms of threat level.
