"Public broadcasting" means a lot of different things. But one of the great values of radio-based sound delivery systems is that they are very local. And local

"Public broadcasting" means a lot of different things. But one of the great values of radio-based sound delivery systems is that they are very local. And local radio cultivates niches that translate well into interesting podcasts. For example, when studying languages, one of the great sources of listening material is podcasts produced by local radio stations. There isn't a lot of material in Cajun French (vs. Parisian French) available—except for Cajun French music and local news radio shows/podcasts in south Louisiana. There's an Ainu-learning podcast I subscribed to once that IIRC was produced by a Hokkaido radio station. The local base of the radio station has synergy with a non-local/Internet audience. The major European non-English broadcasters tend to have streaming services rather than podcasts for some reason.