"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 [email protected] and we'll look at the data." https://news.ycombinator.com/newsguidelines.html

The person who submitted the link already explained the submission: https://news.ycombinator.com/item?id=46068363