Earlier quoted context omitted.
So assume it's that your comment fell into the "noise" category and work harder on producing "signal" next time. We don't need to have a discussion every time someone felt that some post did not contribute sufficiently to the discussion.
How about this for a HN feature. If your post is That way, the person who was downvoted has an opportunity to read about some common reasons why a post was downvoted, read tips on making better comments, and has more time to emotionally process being downvoted.
Ironically, the comment above is an accidental implementation of this feature. It is currently at 0 points, and has a link to the HN policy as a link.