Earlier quoted context omitted.
It goes the same for any of the "Eyes" countries. They share intelligence and tracking of citizens as well. It's not just the US, so don't act like it is.
Don't pretend any other country have as much surveillance capability as the US does. There are levels to the awfulness and not everyone is at final boss level. Most are random green scrubs comparatively.
The level of surveillance in Xinjiang vastly exceed that of anywhere else in the world except for military installations.