So he "only" got a six figure salary, five figure bonus, stock grant, promotion, retirement fund, healthcare and FAANG-level benefits with unlimited company resources to do his work and a large failure cushion. Dude is going to get a massive reality check when he joins a startup and sees the reality of how the other 99% works.

And this ignores the fact that his engineering team had at least a dozen other people and Microsoft paid billions to OpenAI for any of his work to even be possible. What did he expect exactly, founder equity?