If you read back through some of the posts I linked to you'll see tons of commentary about that.
https://news.ycombinator.com/newsguidelines.html
People assuming that someone with opposing views must be disingenuous, astroturfing, a shill, or bad-faith actor, is so common on the internet, including HN, that it is probably a cognitive bias we all suffer from. I've written about this a ton, and we do everything we can to counteract the toxic effect this bias has on discussion. But that doesn't make it ok to lash back at someone.
https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme...
https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme...
https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme...
https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme...