A Squared, I think that's what I'm suggesting- just not so blatantly. It is a choice one makes for themselves and one should always think well before choosing, knowing what further possibilities such choices may bring.

Do what the ATC wishes and that will mitigate the other problems as well as can possibly be done. Discover their wishes privately and discreetly- in person or via telephone- and those who don't really need to know probably won't. With them on your side any legal issues will probably be swept aside as they should be.

consider the scenario from an aviation point of view.
the comms are VHF line of sight.
what that means is that the atc ground station has very good comms with airborne aircraft.

as any pilot will tell you VHF comms on the ground is occasionally problematic because you dont have line of sight. once airborne the problem vanishes.

so anyone on the ground not in the atc to aircraft loop will have no idea that they may be broadcasting over the top of other more vital communications.

I SAY AGAIN.
DO NOT MAKE BROADCASTS INTO THE AERONAUTICAL SYSTEM UNLESS YOU ARE A PART OF THAT SYSTEM.
consider this. if things get hot and bothered your ground broadcasts may screw up the aeronautical system totally at the exact time when it is needed.

This is not a mystery for me. I am a Pilot.
W8