But we're not taking it to that extreme. We're fine with using LLMs for checking of spelling and grammar, and for suggesting improvements to text you've authored yourself, and then using your own human judgement to apply the changes back into your text.

What we are saying is: don't copy+paste something from an LLM chatbot or translation tool into the Hacker News comment box and submit it.

> making that too much of an absolute "bright line" is a net negative for HN

What matters is the outcome. HN is for thoughtful conversation between humans, and that's what people expect when they come here. If regular HN users have that unpleasant sensation that comes upon realizing that what you're reading was generated by a machine rather than being authored by a thoughtful human, the commenter made a negative contribution to HN.