If you'd review https://news.ycombinator.com/newsguidelines.html and follow the rules when posting here, we'd appreciate it.
They can't prevent it altogether. I don't speak Chinese, but my understanding it that it's a punner's paradise, and online political discussion in China occurs using a dense and ever-changing system of slang and puns.
https://en.wikipedia.org/wiki/Homophonic_puns_in_Mandarin_Ch...:
> Xiǎo Píngzi - Students participating in the pro-democracy movement in Beijing's Tiananmen Square in 1989 smashed little bottles as a means of protesting Deng Xiaoping's handling of the movement. Deng's given name, Xiaoping (小平) sounds a lot like "Little Bottle" (小瓶子, xiǎo píngzi),
https://chinadigitaltimes.net/space/Grass-mud_horse