Nothing in the rules about having Bluetooth signal blockers... is there?
https://www.thesignaljammer.com/blog/what-is-a-bluetooth-jammer-and-how-do-i-use-it/
Yeah but then they'll also be blocking Chris Wallace's earpiece so he won't be able to hear the suggestions from Biden's campaign. ;-)
That would likely also block the official microphones and possibly screw up the lighting. A lot of modern stage gear is wirelessly controlled not just for convenience but for safety.