A lot of people think they are offering "free information" on the internet, but what they are really doing is offering a transaction: "I'll tell you what I think but in a manner where I present myself as higher status than you." [There are the exceptions, particularly here on HN, where somebody is infinitely humble and patient of course, especially on certain topics]
You'll meet a lot of people outside the internet who are interested in doing this too "Let me overexplain X to you" (e.g. Mansplaining). Which conveys again two things -- "free" information, but actually on the condition of presenting oneself as "the teacher."
I think on the internet, where there are 0 barriers to entry, ANYBODY can post an offer, no matter who bad it is (let me peddle a stereotype as brilliance and see who bites).
Someday soon, if we want, we can have a version of HN where every single comment is rewritten by GPT4 to be friendly/positive/deferential but equally informative.