Earlier quoted context omitted.
It can definitely be an echo chamber, the mods tend to flag/ [dead]/ bury posts and comments for no reason and turning on [dead] visibility is basically just 4chan, however I have received the most legitimate use from this site as people on it tend to be experienced and knowledgable
Like 80% of dead comments I see here are actually very valuable and reasoned.
But in many cases, some dead comments are from extremely toxic people in a rare moment of sanity.