There are cases where generative AI can be trained for the explicit purpose of ripping off a particular artist's style. Take a gander at all the artist/art styl

There are cases where generative AI can be trained for the explicit purpose of ripping off a particular artist's style. Take a gander at all the artist/art style LoRAs for Stable Diffusion. Some of them are harmless (a Rembrandt LoRA for example) but others are trained to make convincing knockoffs of living artists who are trying to put food on the table.