i wouldnt be surprised if there are things we still dont un…

I agree. Just because it isn't publicly available information, or even something that simply hasn't been studied over time, there could very well be adverse effects to 'invisible frequencies'. I'm not completely sure how bluetooth works, but I will look more into it.

It would help if we could better realize how every directed energy emission is actually traveling in at least three dimensions at the same time, so even though they claim that these types of signals depending on their power quickly dissipate or don't amount to anything, or that the case we wouldn't have years and years of studies of sound phasing and dissonance and discordant interference patterns alongside generations of gear to combat the situation saying live music entertainment venues

I agree.
Similar to needing enough data for realizing that randomness seems to be not random but a gaussian distribution.
At least in many cases.