If you ever meet someone from mainland China, such as university students, they take criticism of China very seriously. For example, mentioning Taiwan as an independent country is an offence and will shock most Chinese mainlanders. But this is similar to foreigners criticizing the 2nd amendment or similar parts of American culture. It will create the same passionate response in most Americans.
The more Chinese students learn about websites such as reddit, the more you will find these responses. You can't just expect them to just sit idle. The fact that English is not their native language will however make others qualify them as trolls/bots
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