Because there is a pattern that would not apply to the relatively random users and needs a very persistent user, that is, a MOD. Because the downvotes happen QUICKLY, as if from a MOD. Because the downvotes don't come with replies. Because only a small fraction of users can downvote. Because part of the pattern of what gets downvoted is material that is relatively advanced technically and, really, a challenge to CS.
My original post was a nice contribution to CS people having trouble getting published. But, if people don't like such a contribution, then they won't have it. So, I deleted it. It's gone. The CS profs can continue to struggle to publish without my help.
My original post was a nice contribution to CS people having trouble getting published. But, if people don't like such a contribution, then they won't have it. So, I deleted it. It's gone. The CS profs can continue to struggle to publish without my help.
It's become clear that HN is PG's PC sandbox.