I disagree: for many of these topics, hackernews is, to me, a source of more level headed discussion and an opportunity to see both sides in a reasonable way. Yes, the quality does go down a lot, but it's still better than in the other sites I read.
Since HN is an open system with respect to the rest of the internet, the sad truth is that there's a cap on how good it can ever get. https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...