Please don't post unsubstantive comments to HN. If another comment is wrong, the thing to do is respond respectfully with correct information. Then everybody can learn something. Please don't respond by fulminating about the community. HN is an internet forum and the internet is replete with people speaking confidently about things they don't know about I'm not saying that was true of the GP but it's certainly true in general—and frankly that's just human nature.
The internet, including HN, is also a frustrating and activating place which triggers all sorts of untrue overgeneralizations after encountering things one dislikes: https://hn.algolia.com/?dateRange=all&page=0&prefix=true&sor...
https://news.ycombinator.com/newsguidelines.html
(Please see https://news.ycombinator.com/item?id=25862346 downthread also.)