The guidelines ask you not to do 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.

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

Oh - sure! I assumed they worked directly for MS; none of that.