Ultimately, Apple would like to earn money from the products they make. There are a variety of models to do so:
* You can sell the hardware, sell OS upgrades, and let third parties sell apps without taking a cut. This was the original Mac model.
* You can sell the hardware, give away OS upgrades, and privilege third party developers who give you a cut, while preserving a way to side load. This is the current Mac model.
* You can sell the hardware, give away OS upgrades, and take a cut from third party apps. This is the current iOS model.
* You largely let others build and sell the hardware, give away OS upgrades, take a voluntary cut from developers, and sell or monetize the user's data. This is the Android model.
* You give away the hardware and OS upgrades and live off venture capital. This is a popular startup model.
Each of these is viable to some extent. None is 100% popular with customers.
But what some people seem to be asking for is "Gilette, but give away razors and adopt an open standard for the razor blades".