I sometimes post news articles that examine possible problems in society. Some may agree with the author, some may disagree. I often see these posts being downvoted if many disagree with the author.
Why do you downvote the post instead of commenting to express your disagreement?
As far as I understand, the idea is to upvote the post to spur conversation and comment to express your agreement or disagreement. Or did I misunderstand something?
That’s because on other platforms this is called “like” (and the opposite is thus “dislike”) button. And people often dislike opinions that are opposite to theirs especially in modern political environment.