A safe assumption is shorter or more negative comments receive a lot of negative pressure on HN, even when they are commonly accepted views by the average user.

A safe assumption is shorter or more negative comments receive a lot of negative pressure on HN, even when they are commonly accepted views by the average user. If you're convinced it's not real users though, you can always ping hn@ycombinator.com and they can let you know if the downvotes came from likely bot accounts or not.