I'm not sure why it's so hard for people to understand that Apple's market is people who want to be cool.
They don't sell hardware devices, they sell coolness.
These people don't care at all about how the phone/laptop is. It doesn't matter that you only have USB-A adapters or mini-jack headphones, if Apple says that the new cool is USB-C and AirPods, you are going to buy that and then snicker at people using the "old stuff".
It's like in the joke: the only thing worse than not having an iPhone is having last year's one.