Earlier quoted context omitted.
You act like there's a choice -- customers get apps through the app store, so that's where developers have to be if they want to eat.
The choice is that if you're going to develop software for sale to the public, you can choose to develop software for sale in another market which is not so restrictive and oppressive. Other platforms and marketplaces exist, and money can be made there. To contemplate the actual possibility of sweating for years building a business, slaving over software, creating marketing campaigns, and a brand and fighting to beat…
The smartphone 'market' is an oligarchy, ergo, it's not really a free market, and those kinds of principled positions just don't hold.
It's pretty reasonable to argue that Apple's arbitrary control of the AppStore is an anti-competitive practice.
If the market were commoditized, like, the choice you have for where you want to 'eat lunch' or 'buy a car' - it would be different.