The issue isn’t that there’s nothing left to discuss, the issue is that there’s two „opposing“ sides that will downvote the comments they disagree with, causing

The issue isn’t that there’s nothing left to discuss, the issue is that there’s two „opposing“ sides that will downvote the comments they disagree with, causing a chilling effect where only inflammatory comments will end up being posted. It’s exactly the reason why Facebook et al. don’t have a dislike button.