This article doesn't mention about another related activity which I found interesting, is that Chinese government makes its Han employees to go stay in Uighur homes to monitor their activities.
http://www.chinafile.com/reporting-opinion/postcard/million-...
Reading some comments in r/China, makes it seem like it is not an exaggeration. https://www.reddit.com/r/China/comments/9r8vgf/chinas_govern...