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"Please don't make insinuations about astroturfing. It degrades discussion and is usually mistaken. If you're worried, email us and we'll look at the data."

"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

It is downvoted because it is a zero-effort comment that doesn't contribute anything to the discussion.

This is not Reddit. (yet)

It doesn’t add anything to discussion.

It is downvoted because it is incorrect.

What's incorrect? It was a personal comment? Even here we've got people who boss over others due to lack of understanding. Can't expect that from machines.