Didn't read article yet, but when I was in Xinjiang it was an area with very high security (more cameras, more police with guns, giant vehicle barricades around elementary schools). If you ask the locals, they'll tell you it's to protect them from the Uighurs. It seems the conflict there is (was?) a real problem, with Han Chinese being murdered regularly with some communities having to put the men on watch at night.
Not true. The Han were not being murdered by Uighurs regularly. And every housing development has a gate and guardhouse, almost always has been like that since the danwei days. What is true is that the Han have been scared into fearing the Uighur by twisted news reporting. And once they are scared, any action by a minority looks scary. It’s also true that Uighur have lashed out after horrible treatment at the hands o…
The schools for example had officers with submachine guns when it was time to let out, and giant vehicle barricades. I suppose this could be to scare people. But that's what's there.