Pen support sounds 10x more useful than touch, particularly when they already have a pen for the iPad.
Writing on a laptop screen with a pen is kind of a crappy experience. The screen position is not rigid enough for that to be comfortable. It “bounces” as you write.
But based on the Ad, they did not show own usage and it doesn't look like the hinge is 180. If that's correct, Apple went absolutely against its own beliefs for UX/UI.