> The 30% was never for payment processing but for the overall "ecosystem".
Yup, ecosystem: https://en.wikipedia.org/wiki/Braeburn_Capital
For those that don't understand what that is, Apple's products, especially the App Store, have insane profit margins. Apple's profits are so high that they don't know what to do with the money so they started their own investment fund.
> In October 2012, CNET reported that Braeburn had US$117.2 billion under management, making it "the world's biggest hedge fund."
That was in 2012. Since then they've almost tripled the amount of Apple money that they manage.