Please don't post like this. If you suspect something, please email us (hn@ycombinator.com) with links to specific comments. The guidelines are clear abut this:

Please don't post insinuations about astroturfing, shilling, brigading, foreign agents, and the like. It degrades discussion and is usually mistaken. If you're worried about abuse, email hn@ycombinator.com and we'll look at the data.