When this happens in an authoritarian state, it is business as usual, the scope of collection is not considered, and dissenting opinions quickly disappear.
That’s the difference.
Lots of slang terms get used, and the discussion continues.
Mark Klein told the world about Room 641A on freekin PBS.
The most notable and relevant to this discussion is FISA which has been amended by Congress at least a dozen times. This is certainly not a topic that doesn’t come up in Congress.
[1] https://www.eff.org/deeplinks/2021/05/foriegn-intelligence-s...
[2] https://www.npr.org/2013/06/13/191226106/fisa-court-appears-...
[A] https://www.washingtonpost.com/news/the-switch/wp/2014/01/27...
At any major tech company, not even internal networks are considered to be safe, and things are encrypted to sometimes paranoid levels, that's costing A LOT (not only in processing power, that's nowadays less of an concern, but with a much increased complexity of their infrastructure).
And before you ask - major threat model they target is governments sponsored hacking.
[1] https://en.wikipedia.org/wiki/Room_641A