I'm not a lawyer; but I believe that even if they take payment through BTC, etc, they're going to need to take sales tax, etc, based on the location that their subscriber is ... which means they need to handle the tax hell that comes with it, so they'll find themselves better off with a Merchant of Record that can handle that for them ... which is almost certainly proprietary because ... it's a big mess.

Which podcast is this? It's not on my radar, def interested.