There is already a standard explanation for anything:
You want to boost your chakra? Take Hashiramas cells!
You want to get the Gods eyes? Take Hashiramas cells!

You want Wood Jutsus? Take Hashiramas cells!

You want Izanagi to last longer? Take Hashiramas cells!

You want to cut Kotoamatsukamis cooldown from 10 years to several hours? Take Hashiramas cells!

You want to spam MS without going blind? Take Hashiramas cells!