Please read the HN guidelines, which say:

Please resist commenting about being downvoted. It never does any good, and it makes boring reading.

It often takes threads off-topic as well, as here.

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

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I really don't think down voting is very helpful for the community unless people are being racist/sexist/obvious troll. Better people comment on why they disagree, clarifying ideas rather than a no response and arbitrary unlike.

Yea, I don't downvote comments unless they are straight-up counterproductive to conversation. The original comment is very useful.

I assumed that was either in the guidelines or just general convention, to be honest.

its cool man, my all my accounts are throw away, so even if they get down votes it does not refrain me from speaking my opinion.

voting on comments is stupid, and should be removed.