Reporters without borders reports 2 million employed in government censorship in 2013. https://rsf.org/en/news/chinas-cyber-censorship-figures
> watch every conversation happening in real time.
Even with 2 million people, you can’t follow even a fraction of the conversations of 1000x the population without automation doing most of the heavy lifting.
You only has to shut down the major channels. Over 22,000 influencers were openly censored last year. Even in the past week, several Olympics-related hashtags have been blocked on Weibo. You can control the conversation even with just one person.
https://scmp.com/tech/policy/article/3159947/chinas-internet...
WeChat censors live, and automatically
https://www.technologyreview.com/2019/07/15/134178/how-wecha...