Most serious artists have switched to using ArtStation and/or Instagram a long time ago, not because of AI, but because of the weird stuff on DeviantArt.

This article also misrepresented Andersen v. Stability AI, you can read the judge’s opinion here:

…bakerlaw.com/…/ECF-117-Order-on-Motion-to-Dismis…

But basically, the judge’s opinion was scathing and dismissed all but one of the plaintiffs’ claims.

There is a very good reason you can’t copyright artistic styles.