Oddly, you're trying to challenge a claim about covert technical intelligence mechanisms with descriptions of legal mechanisms governing surveillance. That's like responding to complaints about trespassing with the legal code governing rentals.

In any case, we do have examples of exactly what the gp is talking about.

For instance, this one, which subsequently backfired:

https://www.bloomberg.com/news/features/2021-09-02/juniper-m...