> Interrupting all signals that are in use by commercial companies, is still ultimately relying on commercial infrastructure, though? No, government owned cell

> Interrupting all signals that are in use by commercial companies, is still ultimately relying on commercial infrastructure, though? No, government owned cell towers, military owned cell towers, etc., also send out the signal, so even if every commercially owned cell tower suddenly vanished most cities will still be covered by enough signal strength for a few hundred bytes of text.