Instead, when we catch up with Hulk he has been out of his cage since the last act of Avengers: Age of Ultron, so he’s had time to actually exist and develop a separate personality from his scientist alter ego.
As far as the ratio of human and beast goes, his leads the latter to have a much larger role than any other previous feature.
Comfort for the Hulk is definitely a big thing in Thor: Ragnarok — and part of that comes from the fact that he has a very different role in the movie than what we’re used to seeing from him.
Every previous time we’ve seen the character on the big screen the focus has always been on Bruce Banner and his struggle to keep the monster inside him contained.