Happens here too. If you've ever wondered how a certain austrian entrepreneur always manages to garner enough votes to put him on the front page even when the material doesn't support it...
In this case, it's probably because I'm expressing a frustration that many people share. It's an unfortunate fact that the success of HN as a social news site has made the attention stream it can direct valuable enough to be a target of manipulation. That some people are engaging in this sort of manipulation is indubitable. That I vented my frustration with one of the more egregious examples is a breach of decorum for which I apologise.