My books were edited by professional editors. These editors did not have and did not need any special expertise in my topic to do so. So there's a fundamental difference between grammar checkers/spell checkers, and a tool like an LLM that works in a way that subtly or overtly modify or contribute to the ideas themselves.
I don't mind that a doctor wears a white, nicely laundered lab coat with a stethoscope so that he looks like a doctor. I mind when some rando impersonates a doctor. This is why I distrust people who write by asking ChatGPT to generate text for them.