"In the style of..." is not substantially similar enough IMO.

I think a better foundation for generative AI regulation is the moral rights of the artist [1], not copyright law.

But the courts will take years, if ever, to get that far.

1. https://en.wikipedia.org/wiki/Moral_rights#In_the_United_Sta...

You still have a different type of category error: The creator, AI in this case, lacks legal personhood, hence cannot be considered the legal author nor hold copyright.