Earlier quoted context omitted.
I figured they were taking advertising money to fund both their work on the the app itself (which is free) and for maintaining the server infrastructure that allows them to stream quickly (which can't be cheap to them).
Which would be an appropriate arrangement of it was their content. But it isn't. Would you be willing to pay for those two products without the podcasts themselves? Of course not, the app and the servers are valuable to a consumer because of the content. If the content creators don't get a cut of that advertising money then the business model isn't fair. Not to mention that stitcher removes any editorial control over…
Edit to reply to below: that has been the case for the download model. How certain are you that this is still the case for the streaming model of this app? Have you sniffed the traffic?