[mjbale116]

> have left the US

They did not "leave" the US, they were deported without due process.

> though NSA and google have been doing it for years

That does not make it less dismal

> less scope for this to be abused against american citizens unlike in the UK

There are agencies in the US that do as they please without needing to cooperate with anyone. Not sure how you arrived in that conclusion.