Because Apple, first and foremost, wants to be able to control its own destiny. Being tied to Intel has slowed them down on upgrading their higher-end laptops f

Because Apple, first and foremost, wants to be able to control its own destiny. Being tied to Intel has slowed them down on upgrading their higher-end laptops for years. OTOH, they're having GREAT success with their ARM chips in mobile. So, you know, you do the math.