Was not mocking, tin foil and copper screen are what we use to isolate and test RF equipment from the rest of the noise bombarding the world and its residents. Considering it works so well for that, it can protect individuals also. In saying that I do not recommend wrapping yourself in tin foil and walking in front of a fully powered magnetron, you would be protected from the RF but the tin foil would be instantly heated and well...
As a sidebar, the earth has been bombarded by RF and other visible and not so visible radiations ever since our star was first ignited. Solar flares, when the big ones occur, cause all sorts of problems with our technology, imagine what it is doing to the life on the planet. Its a good thing the earth is protected by Magnetic Fields out beyond 22000 miles. Only a "small" portion of the RF and IR comes through, however, it is still more than that emitted by WIFI, Cell Towers, Wireless Phones, Microwave ovens, local digital TV broadcast towers. These powerful signals have been bombarding the earth and its inhabitants for a long long time, yet through all the generations, humans have adapted and are living longer and healthier lives.
Denying WIFI, cell, wireless phones and microwave ovens in your home for the sake of steering clear of low power RF and HFRF is like a fart in the wind. The signals penetrating the walls from neighbors WIFI, Cell, Wireless phones and microwave ovens, including the nearby cell towers, radio and TV towers, public WIFI, Emergency service vehicle radios and the more potent signals originating from space including the GPR (ground penetrating radar), Military, GPS, radio and TV broadcast satellites, these would still reach anyone in the dwelling.
All is not lost. To get away from most of these harmful signals, moving the entire human population to locations 1 KM beneath the earth surface would be one way to get away from the risk. I said most, there are still other signals that can penetrate the solid rock.
Other more modern non-conventional and non-traditional studies indicate a shift is in play on the human DNA which is affording us with the ability to reject and absorb the signals to suite our needs. This may sound way out. Alas you need be outside the box and leave conventional politicized profit oriented science behind or at least put it beside you on a new journey.
In the meantime, I will continue to check my "somewhat intelligent" phone, 1 to 2 dozen times a day and enjoy the evolving technologies without limitation of location, wire length or the dangers of tripping over my connectivity and communication options.
Lots of fodder for other topics of discussion in here.