Every top level Telcom manager or executive manager is required to attend specialized Intelligence Agencies Required training in Virginia. These courses explain what you are required to perform if you run coms at ATT, Sprint, Tmobile, Verizon, Amazon, Microsoft, etc. Even X is invited to make mandatory reporting or info gathering.
Over 20 years ago, I knew a guy (who was in a position to know) that “there are serious privacy violations” going on in one of those places. This of course, means the same in every one of those places.
Yes, this was in the wake of 09/11/2001. It alarmed him, even way back when.