High frequency waves = more susceptible to interference. Less harmonic content. Less effect on things that are not resonant with the source frequency. Tin foil hat not necessary, unless you're intentionally creating a parabolic wave guide for something...

More deserving of the "mind-control" theories are the current "smart-phones"... 
Hell they even have "the chip" all those conspiracy heads go off about right in them! They're tracking you! rofl... Back to reality folks