They CAN be owned. Particularly art.

And I say this even when I’m anti-copyright and pro-copyleft, but even then I don’t want to lose my means of work and subsistence and my moral rights.

Also, much of that gets even worse when AI gets trained with works that you didn’t even published yet, but that a hidden background AI process scraped in the platform you used to backup, plan or talk about that works. I’m talking out of experience.