It's not one staffer or one guy.
The PDF in response from the software vendor is filled with half-truths and outright lies. HRD aggressively monitors review sites and routinely disables the software of people who post negative reviews. And their program returns the term "blacklisted" when queried.
Further, the license is tied to the user's callsign which is not trivially changed. This is not an isolated instance, it is not one contract employee, the software vendor indeed uses the term "blacklist" when disabling the software of those posting bad reviews, and then blackmails the users into removing the bad reviews in order to re-enable it. See Imgur snapshot of reviews and queries of license status.
http://i.imgur.com/QZlREaJ.png
Biting the hand that feeds IT
