Gold may be harmless. Radio waves may be harmless.
The COMBINATION may have some unknown effect.
That’s why they need to test. Also,
things like, what frequency? what power? how much gold? how long do you treat? How can you tell it’s working for sure?
Lot’s and lots of questions need to be answered before they can approve it.
Remember the PRIMARY rule of medicine is:
Primum non nocere
“First do no harm”....
Yet, there is abortion. Logic and morality seem to have little sway in our present government.