Its really weird because he even talks about weather later on the interview as if its a thing.
Maybe they're willing to throw stuff out to get it running at 60.
I guess vertical development now means expand development beyond release date. PS+ version is some kind of cheat for them in order to cut features in the first run and add every promise in the long run. Problem is people that buy retail version because they are interested in offline play, what if they finally buy an half-asset game?