AI-generated content seems similar. If a comment is good, who cares whether it was written by Alice, Bob, or an AI? ChatGPT has already proven it can write better answers to some queries than most humans do; I'd rather read the better-quality answer, no matter who wrote it. I'm on HN for the comments, not the people.
Take the following statement: "The CEO of ACME Co is abusive and you should avoid him at all costs. Do not work there."
If it's an anonymous poster on Quora, that's a (potentially) valuable response and a good reason for that person to stay anonymous. But if it's AI, it can't possibly reflect any actual first-hand experience. At best it's a regurgitation of something out there already and at worst is a AI hallucination based on a mishmash of fact and fiction.