I don't understand that point tbh.
Paradox picked up Pillars of Eternity
Deep Silver picked up Wasteland 2
Ubisoft picked up cloudberry kingdom
None of these publishers actually did anything to the game, they basically got the equivalent of physical/platform distribution deals but otherwise had no say on how the game was developed. I don't see this being any different. If Sega/Sony is behind this, all they're doing is basically handling distributing the game as far as I'm concerned. I can't think of a single actual kickstarter software wise atm in which a publisher literally took control after coming to deal during the game's development.
All the major ones have been left untampered.