1) There are too many in/out points and encrypted paths in and out of the network to actually make this worth spending time on. Think of walling off the entire country, yet there is still air above the wall, movable earth below the wall.
2) It creates a false sense of security if you're on the "clean network" and may make some developers less considerate of securing apps, websites, etc, and some consumers of questioning the security and privacy of the apps they install. I.e. it weakens those within the "clean" firewall.
1) There are too many in/out points and encrypted paths in and out of the network to actually make this worth spending time on. Think of walling off the entire country, yet there is still air above the wall, movable earth below the wall.
2) It creates a false sense of security if you're on the "clean network" and may make some developers less considerate of securing apps, websites, etc, and some consumers of questioning the security and privacy of the apps they install. I.e. it weakens those within the "clean" firewall.