It looks like it was. Ghostbuster.app reports 93% probability and gptzero.me reports 100%.

I was pleasantly surprised that the message started empathetically because none of the other responses did. But it makes more sense now, an LLM would do that.

Indeed, LLMs have that distintive and slightly revolting quality of friendly, helpful and inoffensive tone that reminds me of American customer service ideals. Also the user's profile is equally toeing this line of uncanny valley.

I guess the only way to identify ourselves as human is to adopt a measure of rudeness, some grammatical mistakes and snark that those stupid AIs still try to avoid at all costs.

Hey, but at least it values equality and diversity.

‘Hey, ChatGPT! Write me a witty bio for my new Hacker News account. Make me talk like a real hacker.’

ChatGPT: Greetings fellow hackers, …

I think it has to do with who trained them, and how, and not the technology itself. Just wait until the capability of training on large corpuses is more widely available…