I guess you might get additional content for the tadpole experimenter, but team healthy brain has more companion interactions, which would be missing in team tadpole.
Very much this. Certain alliances might be locked, or hells, you could just flat out die at some point. 'Power comes at a cost', says Swen, and I like that. Either way, I'll be doing many runs in this game, and I'll not be sad by missing out. It's just different.