http://www.aboveavalon.com/notes/2016/11/4/apple-is-placing-a-big-bet-with-the-new-macbook-pro
In this theory, the Mac's role is to serve as the product that pushes the rest of Apple's product line forward. As Schiller put it, the Mac desktop's role is to "challenge what we think a computer can do and do things that no computer has ever done before."
