Answer 1

I second this as the next best thing after removing downvote anonymity.

Answer 2

definitely love the idea of this! it would be a dream for sl to implement this *_* awesome idea for a code!

Answer 3

In my exp downvotes were more useful than upvotes: I went back on my answer trying to understand what wss wrong and eventually I found it. It gave me the possibility to correct or delete my answer.
Having this kind of commenting option would be a blessing.