https://xkcd.com/810/

To me the point is that I want to see effort from a person asking me to review their PR. If it's obvious LLM generated bullshit, I outright ignore it. If they put in the time and effort to mold the LLM output so that it's high quality and they actually understand what they're putting in the PR (meaning they probably replace 99% of the output), then good, that's the point