#nostr should provide a way to consume rss ( like any other aggregator ) .. let the content be where it is .. 

And also a social layer to capture all the conversations around episode , podcaster , merch , promotions -  the podcast website through npub pro ..

People should be able to listen to any podcast through supporting clients - such as #Amethyst .. comment on them ..zap them .. or they may use more sophisticated clients such as Fountain .. for say subscriptions  .. history etc ..