I looked and he’s one of those people who submit 2 posts per hour. And like, I wouldn’t want to do that, but if you’re a news junkie who feeds articles into HN soon after they come out and gives us stuff to talk about, it makes sense that you’d have huge karma in the long term since you’re providing a service to the HN community.
I have a suspicion that the reason a lot of LLM bots can output stuff akin to word salad is because a lot of their training data is word salad in the first place. If you're a competent reader pre-LLM, you can mostly avoid/discount word salad, so its prevalence doesn't really register.
My YOShInOn can't write text, at least not yet. (I am thinking about T5 to attach Mastodon tags) I think most generative models would be too polite to say something like that or would be more tentative.