> And honestly even if I did use an LLM to write a comment on HN, so what? The code is what matters.

Part of what makes these forums fun is human responses. LLMs write "good enough" text but they come off as robotic and inhuman. The only reason to go onto one of these forums is to communicate with people. If I wanted to talk to a robot, I would talk to ChatGPT, which I can do as often as I want.