That interesting article led me down a research rabbit hole of microwave maser inferometers and whether that could be an explanation for the controversial Havana Syndrome. And, having skimmed descriptions of historical SIGINT projects Buran[1] and Luch[2], and the theoretical advantages of such a system ... my curiosity in Faraday cages is renewed.

[1]https://en.wikipedia.org/wiki/Laser_microphone

[2]https://en.wikipedia.org/wiki/Olymp-K