For me, part of the attraction to even single player games is a shared experience. Individually tailored games cannot deliver that.

It'd be like watching generated movies or listening to generated podcasts, even if they are emotive or informative, it has a follow feeling to it.

You can still have that. Share it with your friends or the whole world, just like this guy did ...

Why would your friends play this instead of one shotting their own version that better matches their preferences?

Well, the price at least in this case. But also, the shared experience presumably matters to more than just them.

Neither AI nor most players are talented game designers, and a future full of games which are mostly half-assed reskins of previous games sounds miserable.

Also, even the most talented game designers enjoy playing games created by others, in no small amount because they make different (and therefore more interesting) choices.

I can imagine a future where LLM generated games would do placement ads within the generated game. May even be hard to remove. So enjoy while it lasts.

Put game ads on the game over screen with a frequency depending on how bad you are at the current game.