You know the exact reason why. This isn't some benevolence on the part of Apple like you're making it out to be. Podcasts have always been free until Apple decided that "Hey we can nickle & dime our suckers even more and take an extortionate cut in the process!"Exactly how is allowing content providers to monetize their work a scam?
They're not doing it for the creators. They're not doing it for the customer to provide a better experience.
There is the scam.