As a (bad) hobby level artist, I’m well aware my art is probably best described as mashing together other’s actual human work. But I kind of think that’s true for everyone. You always see influences and borrowed concepts from other’s past works in new art. If your work is posted publicly, you can’t be surprised when another artist sees it and is inspired by it.

In my opinion, we already have copyright protection against AI art, it’s the same you would use against anyone else. If you can show that the generated artwork is a derivative work, it’s a problem and they’ve violated your copyright.

Positive progress has been made at least, Minneapolis has done quite a bit recently to change this