While I find much of the author's argument relevant, "it would be expensive" is very unconvincing.
Military operations and espionage by state actors are rarely limited by commercial constraints. In other words, access to confidential data on a vast array of devices would be a bargain at several million dollars when it comes to a national intelligence agency (or Apple or Google or Microsoft for that matter).
Military operations and espionage by state actors are rarely limited by commercial constraints. In other words, access to confidential data on a vast array of devices would be a bargain at several million dollars when it comes to a national intelligence agency (or Apple or Google or Microsoft for that matter).