Although, I’m not a fan of recent spammy 2D submissions to the Marketplace, I’m not in favor of banning AI Generated Assets either. I personally don’t purchase any 2D assets, and plan to integrate Generative AI Api’s directly into my games.
I’m more in favor of a enhanced filtering and search capabilities within the Marketplace. Hopefully FAB will offer these features as it will consolidate a bizillion assets from UE, Artstation, Sketchup, Quixel, others.