Yes, that is the way federal agencies work. Details of complex systems are decided by (hopefully apolitical, public-good-oriented) specialists in the field of interest.
One alternative is that Trump can do it at will. Or, to add a few more steps, Trump can fire the FCC head at will, replace him with a lackey, and then do it at will.
> [Laws] are decided by (hopefully apolitical, public-good-oriented) specialists in the field of interest
This doesn't sound to me at all like how a democratic country is supposed to function. It feels like you're describing China rather than the US.
> Trump can do it at will.
Which is also not how our constitution is supposed to work. The executive branch (which includes both the president and his appointees) is not supposed to be able to make laws, only execute on existing law.
Yes, I know this is how the system works these days. I'm just lamenting how it went so wrong...
> Details of complex systems are decided by (hopefully apolitical, public-good-oriented) specialists in the field of interest
And according to the Administrative Procedures Act, which provides substantial guardrails and checks on agency authority.