If you have almost any brand smartphone you actually have an FM radio as well. But for almost all of them you can’t use it because manufacturers and wireless providers haven’t bothered to turn them on. Sure, you can listen to your local FM station, but over the network and therefore not for free.
It’s not just a money issue (although that’s certainly a big part of it) it’s very much about public safety. In the event of a disaster or major network failure people rely on radio broadcasts for information. Why can’t they use a radio they already have in their pockets?