for websites that host art this is very easy to handle, make a section for AI only, and voilà.

Paid work distribution sites are still having issues, but Pixiv did this early to fencesit on the issue. It has surprisingly worked out pretty well, you just have to trust people are marking their works as AI. The only other downside is the "hide AI" images filter seems to only function for tags and searching, so if an "artist" you follow starts going down the AI path, you're kind of stuck with either putting up with it or chucking them entirely.