Instead of worrying about how they're going to get around the law (they can do parallel construction on the Moon, for all I care), I'd prefer to have a sufficiently big punishment waiting for them when the public finally learns about it.
Time is lord of all of us. Peasants and emperors alike
Didn't the Snowden documents and various things from that point give evidence that it _does_ happen?
https://en.m.wikipedia.org/wiki/Global_surveillance_disclosu...
FBI has the ability, with a single action, to ruin any resident's of the US life, I think that is significantly more worrisome than if Russia or China has my face unless I lived in Russia or China
https://www.nytimes.com/2021/12/31/business/china-internet-p...
And lets be real here. FBI is not much different, and has more direct control over people in the US than the china bogey man you are attempting to peddle