A good historical parallel is all the brave people who escaped from an in many cases returned to and escaped again from the Nazi death camps to carry intelligence and information to the allies and partisan groups. All the Allied leadership knew about the death camps because photos, maps, and detailed information was being smuggled out regularly. They were visible on aerial surveillance.

Now there are billions of cell phones, the great firewall is as porous as a seive, and there's no evidence of genocide in Xinjiang. Arbitrary arrest and detention? Yeah. A lot of ham-handed cultural programs? Yeah. But genocide? Nothing. And the counter-terrorism progra was wrapped up a few years ago because apparently it was very successful and the threat of Wahhabi insurgents is effectively nil now.