There are some comments that, even if I was blindfolded and only had to listen to them through a loudspeaker, I would immediately recognize as coming from some

There are some comments that, even if I was blindfolded and only had to listen to them through a loudspeaker, I would immediately recognize as coming from some HN commenter who thinks they're being really smart. This is one of those such comments. It begs the question: have you actually used any of these "AI"s, or are just reading about them on HN?