Disclaimer: I have an axe to grind having my account with 9k+ karma and dating back to 2009 banned for whatever. Despite that I am trying my best to look at the situation objectively and I still do not like it.
It is popular to compare reddit with HN and my take would be like this: reddit is like a part of the Universe where stars are still (maybe moving a bit past this though) born, and there is life and dynamics. HN, otoh, seems to be inching closer and closer to the https://en.wikipedia.org/wiki/Heat_death_of_the_universe
Healthy conflict is good, but I've participated in healthy conflict here and was stopped by dang because of it.
Where did I do that?
Edit: out of curiosity, I looked through your history. All the dead comments back to about 2014 were killed by user flags. Before that, there are a bunch of dead comments but I didn't see signs that moderators had killed them; my guess is that you were banned for a while.