Human "artists" make the same errors AI generated pictures have, but we give them a pass because man-made horrors beyond our comprehension are better than AI-generated horrors beyond our comprehension.
Human "artists" don't know how anatomy works, or perspective, or proportions, or organs, or fingers, or faces (or how to get them consistent across more than one image), or hair, or clothing, or gravity, either.
And I'm not even talking about amateurs or beginners, I'm talking about people that get paid for their scribbles, people that do that for a living. At some point the audience, or a publisher, or someone, looked at the drawing and said "yeah OK, close enough. Here's some money. Do you do porn commissions?"