An even easier analogy as to what Apple is probably trying to prevent is a "wallet" app which allows purchasing NFTs for the immediate and continued use and con

An even easier analogy as to what Apple is probably trying to prevent is a "wallet" app which allows purchasing NFTs for the immediate and continued use and consumption of digital content such as music and music videos which would creating an alternate content store for distribution. The purchase page for the content would show the purchase price in crypto coins but list the USD equivalent price just below.