Earlier quoted context omitted.
This service doesn't give podcast hosts a way to retrieve their own material. It doesn't inform them that they'll be completely locked into Apple's service. If creators were aware of this upfront, then sure, I'd say "just don't use it" too.
Why would there be any expectation that a podcast distribution service should also serve as a private file archive? And why would podcast hosts even need to retrieve their own material? If there are podcast hosts who don't hold onto their original audio files they had before uploading them, then what are they thinking? That's like sending a project to a client and then deleting your own copy of it. I understand that…
edit: especially since they are an outlier in the podcast hosting space in this regard!