They say you either learn history or are doomed to repeat it.
Then, after realizing that Reddit's management was just using him as a scapegoat and to justify the API closing off, what does he do? He could've used his influence to get people out of Reddit and porting Apollo to some other alternative, he went on to spend a good part of an year working on, you guessed it, an YouTube client for Apple's Vision Pro.
Sorry, but a sibling comment has it right: Chris does not suffer from Stockholm Syndrome. It's full-on Battered Wife Syndrome.
But not only he refused, he went on to mock the other developers who were implementing an Apollo-like client for Lemmy (Voyager) and went on to work on a YouTube viewer for the Vision Pro.
It seems like some people just enjoy being put in a cage and get constantly abused.