Keep in mind that this is a very low bandwidth, high latency mesh network.
Great for sending short text messages, absolutely terrible for guiding drones.
Line of sight needed, trivial to jam, power hungry, trivial to fox hunt. These are not boogyman devices. The real boogyman devices are the ones in space. Big militaries don't need things on earth to do any of the things you listed and way more.
Yeah. Actuality I was thinking about less sophisticated adversaries. So called "failed states", nonstate groups, organized crime, amateur surveillance, corporate espionage, sabotage.