" who do this will not choose to operate outside the authorized frequency bands"
Are you sure? We have morons pointing lasers at airplanes just for fun. If disrupting some radio frequencies can be easily done, there will be morons doing it.
Just, the FCC solution is wrong - but a way to lock devices out of reserved frequencies - especially those used by emergency or vital services, should be found - and one that can't be bypassed.
Biting the hand that feeds IT
