China Government has the last say on everything.
If the Quran becomes a threat, then the Quran goes and so do it’s practitioners.
There is no tolerance.
I lived in Shanghai for several years - there was 0 crime against westerners.
You could go anywhere, anytime and never feel threatened.
How do you think that happens?
Perhaps the remaining Muslims in China should flee. There is always Syria, or Afghanistan, or even Turkey, where I am sure they would be welcomed with open arms.
Got to replace all those Muslims who fled to Europe, you know. < /sarcasm >