Repression in Urumqi will likely be an order of magnitude more intense than in smaller municipalities around the province. The CCP is still working off their own revolutionary playbook from the 30s and 40s, when they effected change through organization. The "right to assemble" is one of the most feared rights in China.

Enforcing QR codes on knives is one thing. The real weapon is forbidding all social media apps except for (the thoroughly government monitored) WeChat.