Earlier quoted context omitted.
FM is amazingly cheap, and green. You can reach millions of listeners with high quality sound. In many cases, you can reach tens of millions for exactly the same cost. Until you need another mast, the extra cost per user is $0. Smartphone chips already include FM so there's no extra cost to reaching mobile users, with no extra bandwidth consumption. (Not FM's fault if some smartphone makers don't use the FM capabilit…
Broadcast is fine and will always have a place, but there's no reason to use analog any more. It's too inefficient from a spectrum perspective.
The problem is that attempts to introduce digital systems have generally not been successful.
If radio didn't exist, you'd obviously start digital services. But it does exist, and it's deeply entrenched.