This. The FCC is important, RF regulation is important as spectrum is a shared resource and is not contained by walls, geographic boundaries, etc. Someone needs to be in charge of preventing interference and encouraging research of effective use of a limited resource.
Side rant, I think it was a poor choice to raise a bunch of money by starting the sell spectrum to cell providers in the 90s instead of licensing it to them as had been done before and is still done for most frequencies. The FCC has effectively ceded regulatory control of huge chunks of spectrum so now a lot of power is concentrated into a few companies that own spectrum and it's not necessarily in their interest to pursue certain RF research or new RF technology and we have no societal via governmental way to force transitions to new technology. Imagine if TV stations owned their spectrum, we might never have been able to force a HD digital transition.