They are just trying to be like the CCP, their heroes.

https://old.reddit.com/r/ChineseLanguage/comments/uob3rv/are_curse_words_censored/i8dcxjz/

Well, there is a type of censorship I guess. Some apps don’t allow people to post bad words like 卧槽，and so on. So people usually abbreviate the bad words to the first letter of each pinyin. So 卧槽 becomes “wc”.

This isn’t just for bad words tho, there’s many online slangs like xswl which means 笑死我了, and many more.

https://quoteinvestigator.com/2021/07/12/censor/

The Net interprets censorship as damage and routes around it.

— John Gilmore, founder, Electronic Frontier Foundation