“There are so many far easier ways to do the same job. It makes no sense—from a capability, cost, complexity, reliability, repudiability perspective—to do it as described in the article.”
Considering the US went to the trouble of wiring the North Atlantic for sound to catch Russian submarines during the cold war, and tapped undersea cables using divers and submarines, this is so implausible for a nation state? Large state actors specialize in activities for national defense that make "no sense—from a capability, cost, complexity, reliability, repudiability[sic] perspective".
Considering the US went to the trouble of wiring the North Atlantic for sound to catch Russian submarines during the cold war, and tapped undersea cables using divers and submarines, this is so implausible for a nation state? Large state actors specialize in activities for national defense that make "no sense—from a capability, cost, complexity, reliability, repudiability[sic] perspective".