FM radio may “seem” to be in the death throws but really rap and spanish stations are picking up the “empties” as white listeners shrug their shoulders and pay for radio just as they pay to watch television.
I don’t doubt you’re accurate about fm, but it will eventually get to the point where streaming catches up and overthrows FM. Smartphones are becoming ubiquitous and streaming is sure to follow especially as more and more people have Bluetooth in their vehicles.