A few years ago the FCC showed up at a coworker's house with their van. Something in his house was emitting improperly. They eventually tracked it down to a com

A few years ago the FCC showed up at a coworker's house with their van. Something in his house was emitting improperly. They eventually tracked it down to a computer monitor. So there are enforcement people out there. They just don't happen in the middle of a superbowl broadcast.