Here’s a worthwhile article from radioinfo.com.au entitled “A lesson in radio’s future from 1941” about how governments of different countries of the world are variously cajoling, encouraging or even forcing radio listeners to move away from AM and FM receivers over to DAB, DAB+ and other ways to listen.

But if the listener doesn’t find the new product desirable or better adapted to their needs, no amount of “encouragement” from above will succeed…
https://www.radioinfo.com.au/news/lesson-radio%E2%80%99s-future-1941