I mean, 1) why is anyone surprised by this? 2) If you make an app that sells cat videos you would also qualify for the digital content exemption, "key business" or not.
Why would anyone be angry or frustrated that "Apple designed their rules so most of the key businesses in this world don't pay an insane 30% of their revenue to Apple"?
Because the reality is that smaller players are getting fleeced in this scheme. By design. And bigger players don't have to play the same ball game. By design. Not surprising, just more of the same seen everywhere, and very frustrating.
