I know of people that are using AI to generate their thumbnails (or entire assets for posts/games/whatever) because they find it fun and/or helpful and people that are generating thumbnails because you "need" to have any thumbnail for the screen real estate if nothing else to have a prayer of people seeing your post to maybe click on it.

I've been kind of approaching most things cautiously as I don't feel confident in my abilities to definitely tell when something is AI generated or not.

And on genAI generically I'm keeping an eye on how CC signals is going (currently everything I've found on it is so vague it's not helpful, trying to be patient because early stages and all) and also seriously considering switching to humanscommons licenses.