Earlier quoted context omitted.
Actually, there should be no correlations between votes and agreement. Upvotes should reward civil comments that feed the conversation constructively. Aggressivity, and empty posts ("cheerleaders", etc.) should be downvoted. Flags are for grossly offensive or illegal content. That was the original intent IIRC: encouraging civil conversation. Tying votes with agreement leads to groupthink. We should encourage diversit…
I totally agree that you've described the ideal. Unfortunately, with the UI and people's natural tendencies, it's unavoidable that votes be used for quick-and-easy agreement/disagreement. And there's a certain alluring efficiency to it: once there's a couplet of opposed viewpoints, just weigh in with your "vote". That's what "votes" are for in a democracy, right? The habit of only using downvotes to signal disagreeme…
At the moment yes, but why not:
Agree/Disagree Good contribution/Poor Contribution.
Instead of just up/down.