The same as it has for about the past 20 years? Take a 30% cut of all transactions that ever happen as long as an iPhone was somewhere in the process.

Charging a high fee to be a middleman is insanely profitable. People shouldn't be surprised that companies that get there don't do anything else.

I'm not surprised, but I think it's fair to find it upsetting. It's a twofold loss: A loss of competition in all markets that Apple monopolizes, and a loss of everybody working towards protecting that golden goose instead of actually improving the product.