It’s a reasonable take, but I do think there is a wrinkle: Tim is an AI proponent, but also understands the current politics of it. Personally, I doubt that AI has nothing to do with this: Tim just knows not to admit it.
Re Tim the man: I have no opinion on him, but I follow gaming news closely and know that he is polarising. However, I saw this recently in PC Gamer and thought it was admirable: https://www.pcgamer.com/gaming-industry/epic-ceo-and-billion...
Companies fire people all the time. Layoffs are regular. To the extent that AI has much to do with layoffs in the past few years, it's mostly AI being used as an excuse, rather than it being the true reason.