What are you going on about?
I'm simply making the point that ANYONE with permission can monitor from the central exchanges. They do not have to be the NSA or the CIA. There are dozens if not hundreds of government agencies we do not know about with some fancy alphabet acronym.
An Israeli owned (covertly and overtly) telecommunications company or indeed an employee who is employed by ANY intelligence agency can monitor people.
Things do not have to track back to the "usual suspects".