Ideally, Apple will collaborate with automakers and suppliers to create interiors and human-machine interfaces like those depicted in the video. That's a great fit, but not big enough a deal to...
Better to have people staring at their phones in autonomous cars than to have them staring at their phones while driving, like they do now.
Mini's expansion into the compact CUV market with the Countryman has been very successful, but you are right, you can only grow the brand so far without losing brand identity.
They also have a sign on the fuel filler door that says "Premium fuel only."
Sound quality probably is one reason why you still find CD players on some high-end cars like the '15 Mercedes C-Class.