But the App Store has free apps where the only revenue is up sell. Fortnite, for example. Why should Apple be required to expend any resources at all, to facil

But the App Store has free apps where the only revenue is up sell. Fortnite, for example. Why should Apple be required to expend any resources at all, to facilitate something where they would get literally zero revenue, but the developer would get millions? That’s how it is different. And tricky.