Product line pricing + moat. Nothing mysterious in it. Customers really want faster USB have two options: buy an Android phone or Pro-model. They calculate th

Product line pricing + moat. Nothing mysterious in it. Customers really want faster USB have two options: buy an Android phone or Pro-model. They calculate that the people pay the price difference instead of moving to Android. Apple product lineup clearly uses symmetrical dominance effect (aka decoy pricing) to influence consumer choice towards a more expensive or profitable option. Once people choose Apple and exclude alternatives, the drift is contentiously upward unless you really don't have money, or are rational consumer who adheres to independence of irrelevant alternatives axiom (not a big group of people).