Anecdotally I've found if I just say something relatively unbacked or 'stupid sounding' that the mainstream can easily attack to make my argument sound dumb, I don't get the ban/removal. It's only when you present a factual argument, and especially if you start winning people over, that reddit is especially quick to ban you.
I've noticed this same progression on HN. If I lose the debate due to not enough facts/persuasion, then people tend to leave it at that and rest satisfied they put an idiot in their place -- why would they want that comment removed when it can stay there as a head on a spike. If I introduce facts but they are unpopular, it will get downvoted to hell and people seem satisfied with that. However, if I actually start winning people over then my comment gets flagged, because we can't allow the wrong view to 'win.'
"It would be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated; but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience."Reddit's anti-evil team is not evil-capitalism, it's AI wokeness run amok: https://www.reddit.com/r/ModSupport/comments/u374pf/reddits_...
One could interpret it as 'I got permabanned and made to feel bad afterwards for upvoting an unpopular opinion one time' or 'I got permabanned after upvoting an unpopular opinion for the 1000th time during an ongoing raid feud.' I presume the truth lies somewhere between those extremes.