If your art style can be put into a bunch of parameters (which it can) it can be copied by a human. Copyright of style is stupid and muddy, it's always a matter of people thinking "the magical humanity" not being possible to put into ones and zeroes.
Correct, but there are clear rules to how humans can copy things. Also humans don't usually need to ingest and store billions of parameters about anything to learn about it nor could they. If they could they'd be software.
