I always thought that downvoting was to be used for comments that were off-topic, not when you disagreed with someone, but I've learned otherwise I guess. I re

I always thought that downvoting was to be used for comments that were off-topic, not when you disagreed with someone, but I've learned otherwise I guess. I really wish I could read dissenting opinions or when someone says something wrong, instead of downvoting, I'd prefer someone explain why it's wrong. Downvoting because you disagree with someone always seems off-putting to me.