If you have specific concerns you are welcome to email them to hn@ycombinator.com, so we can look into it. But please don't break the site guidelines, which ask you not to post insinuations of astroturfing like this. (Such insinuations poison internet forums and most often turn out to be groundless. I've posted a ton about this if anyone wants to read more: https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme...).
https://news.ycombinator.com/newsguidelines.html