on the other hand, when I see a long post here I assume it’s yet another ego-driven tirade and skip past it.
I tried to recall the last time I saw what I felt was an ego-driven tirade on HN comments, and I'm currently drawing a blank. There's a lot of what's called "performative erudition", and there is the occasional lengthy diatribe, but I would call neither one of those ego-driven tirades.