Saying you're not saying there's a conspiracy is a way of saying there's a conspiracy. There's a site guideline against this: the one that asks you not to post insinuations of astroturfing without evidence. Experience has shown that these are imaginary the overwhelming majority of the time, and meanwhile the "cure" poisons the community more than the alleged disease does. So please don't do that on HN
https://news.ycombinator.com/newsguidelines.html
There's a vast history about this for anyone who wants more explanation: https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme...