Because they "control" both the hardware and software (though recent software releases have been awful). Their support is unmatched by any other competitor.
Because you're not as smart as you think you are.
I said I'm much smarter than my stem major sister and that is a fact. Everyone who knows us knows it.
I don't know how to watch stolen movies on mac. I'm pretty sure if I cared enough, I could google it just like everyone else