I recall the online version of our student newspaper once wrote an article with some fairly generic criticisms of China's government having a very interesting comments section that week (the guy who wrote the article went on to be a journalist for the FT)

Then I recall reading forums full of British supposedly mature adults reacting with similarly preposterous rage to a non-story about an Oxford college taking down a picture of the Queen, and I'm absolutely certain the Royal Family weren't paying them...

Pretty sure that China's actual paid propagandists are doing the difficult job of changing the focus of the attack when evidence of government shortcomings surfaces on Chinese message boards, not hanging around on niche English language forums which categorise politics as "off topic" in case California-based computer programmers' views of China aren't universally positive (or for that matter bombarding student publications of with the sort of outraged anonymous comments that look... actually pretty similar in tone to the letters to the editor by named undergraduates)