Looking up the various names mentioned in the article on Wikipedia suggests that the cancel culture troll might be a mentally ill stalker but he's not wrong in many of his broad accusations:

https://en.wikipedia.org/wiki/City_Journal

https://en.wikipedia.org/wiki/Noah_Carl

https://en.wikipedia.org/wiki/OpenPsych

The argument would be stronger if they addressed the various non-anonymous, credentialed academics who make some of the same accusations.