It could place providers in the position of requiring warrants for all law enforcement requests.
Wouldn't that reduce the labor/financial burden on the telcos?
The telcos must be acting at the request of politicians, in exchange for good treatment by the politicians on behalf of the telcos on other unrelated matters.
"The Avis WIZARD decides if you get to drive a car. Your head won't touch the pillow of a Sheraton unless their computer says it's okay." -- Arthur Miller