I'm really not baiting, though in hindsight I didn't mean to have the rude vibe the OP had, I was more or less in a joking manner trying to explain the demeanor and how ridiculous it is given the assumed average age of forum users.
I was actually genuinely curious why the forums just seem like an entirely different atmosphere and why this exact thing you're demonstrating here happens. There has been a ton of super interesting and helpful answers, basically summing up to lack of moderation and anonymity combined with a lack of punishment being tied to SE account.