The upvote/downvote system should be to promote interesting (and factually accurate) discussion and to demote factually incorrect or low effort comments. Downv

The upvote/downvote system should be to promote interesting (and factually accurate) discussion and to demote factually incorrect or low effort comments. Downvoting well articulated opinions with which you disagree contributes to the echo chamber and groupthink effects and makes HN boring. There are many other popular websites you can visit if you want validation on your opinions.