The issue with the sort of people who don't like freedom of expression is they often ignore the rules giving people positive rights. The Chinese constitution [0] is crystal clear that Chinese people enjoy freedom of speech, the press, assembly, association, procession and demonstration. Pointing to a law that says people have something is evidence, but not really the end of the conversation.

[0] https://english.www.gov.cn/archive/lawsregulations/201911/20... - Article 35