I think the question here is 'does this constitute fair use?' In the same way that a scientist might learn the writing style of scientific papers by ingesting h

I think the question here is 'does this constitute fair use?' In the same way that a scientist might learn the writing style of scientific papers by ingesting hundreds of papers, so to an AI learns to write by ingesting a bunch of text. In the former case, we do not require any scientist to then cite every paper they've ever read out of fear that they may have slightly adjusted their writing style to imitate the community's preferred one.