If you think something is down voted inappropriately, just silently upvote it. If you've got additional substantive material to add, by all means do. It does no good and is against the guidelines to comment on the downvotes.

> "Please don't comment about the voting on comments. It never does any good, and it makes boring reading."

https://news.ycombinator.com/newsguidelines.html

Yes, it has.

HN is about one step above high school in that regard.