How exactly? His tweets (at least to me) come off extremely jealous of the fact that Apple integrated with OpenAI.

I'm annoyed what was once an admirable mission of bringing open-source not-for-profit AI to the world was gleefully abandoned as soon as Micro$oft and now Apple threw some money their way. Seems understandable to be peeved if you were someone who put money and effort into this thing due to concerns about an AI arms race.