I disagree. I pay no advertising, no hosting costs, no storage costs.
30% is for the first year only, Epic is billed at 15%.
If 15% your second year is too much most apps can be mounted as a PWA. You will only incur the costs of advertising, hosting and data storage. This will not work for Epic ( without some fancy WebAssembly being written, an assumption here ) as it requires Unity - Metal interface for buttery smooth gaming.
Really? 15%? I thought only subscriptions get that rate cut after the first year, for just that subscriber. Fortnite is all IAP, 30%, no?
PS. Apple's consumer-facing App Store principles page is pretty interesting.. a decent piece of PR. https://www.apple.com/ios/app-store/principles-practices/