Of course, with real books we do have the problem of ghostwriting, where an author willingly writes for a book that will be published under someone else's authorship. That may be where things end up here, with requirements to acknowledge sources, whether ghostwritten for you or written by others.
They treat it as "just another tool" to improve efficiency. Like using a drill instead of a screwdriver.
Then there's people who are so lazy they give LLMs instructions like, "write a LinkedIn post about how AI is changing the future of work for thumbnail consultants." That's when it moves from "translating your thoughts" to "writing for you."
I think the issue is that it can be hard to tell the difference. We need better terms for these things so we can differentiate use cases.