Earlier quoted context omitted.
Disagree - community moderated quality floats to the top under such systems, exposing the better posts to more eyes and downregulating low-quality shitposting. It can certainly lead to echo-chamber mentality, but without it we'd see more low-effort, low quality posts drowning out discourse.
You're assuming that down-votes are used to assess the quality of the post, and not agreement with the content. I would suggest that both appear here. Personally I would prefer votes to be on quality of post rather than popularity of position as that leads to the possibility of examining an issue from multiple viewpoints. (When responding to a post that has been thought out, but down voted, I feel the need to point o…
They do. It's not a perfect mechanism.
> But a better system might be
Yeah we've had 20 years or more of sites trying to find a good formula now. Slashdot's ratings and meta-ratings back in the day, where you rated something as Insightful/Informative etc, and then every so often you were asked to review other user's ratings so their future ratings could be weighted ... technically interesting but really cumbersome.
I like HN's choice not to display ratings on other people's posts, and I like the simple UI. I think it's better with up and down votes than without... I don't think we're going to find a perfect scheme but that doesn't mean we should abandon the imperfect ones.