It's hard to say for sure, I think we can at least confidently assert that games are going to be more challenging than other forms of creative expression like Books, Music, Art, etc because people's tolerance for derivative games is lower than their tolerance for derivative movies/music.

Agreed!

And I genuinely hope there will be some categories of games/music/books/art where human input is still needed and preferred. Currently I'm already a handful of bulletpoints down on the list of stuff I thought AI would never be able to do, and it's been kind of destabilizing