There are indeed a lot of "muso-philes" and the mechanics of automation and price of raw, unhomogenized, able-to-think talent being what it is, the radio business has done a good job of convincing itself there is no audience other than those who love music. wall-to-wall please-don't-interrupt MUSIC!
Then there are the sports fans. Loyal and hungry to a fault.
And those who ingest socio-political talk. Now, there is a BLOOD SPORT that is legal.
And then there are those of us who by default have retreated to the corner of the room occupied by NPR, Morning Edition, All Things Considered, etc.
I AM SO old! How old am I? I can remember when you could get what NPR does at the national level done on LOCAL RADIO at the local level. How quaint it was. The ability of radio to avoid becoming dead may depend on some fool re-discovering that genre, and figuring out how it can be done again on TODAY'S budgets and economics.