So tell me why during the MacPro keynote they explained us that some selected tester had access to MacPro before the keynote?
https://youtu.be/9FQSG-FsgFE?t=2061
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This was an unusual exception, it was planned and controlled by Apple, and it was a one time thing Apple orchestrated to prove the Mac Pro in real world use to make sure they would be okay with the Pro user. They have no such concerns with a light notebook like this.