I learnt about Faraday Cages about 43 years ago when I first became aware of electronic harassment.I had never heard of such a thing before although I instantly recognised the name Faraday and knew what it must be about.goI
It was disinformation that it could be effective since sub-audio/subliminal harassment isn't affected.
And, yes, the non-existence of subliminal influencing is also disinformation.