“The reason OS X has a different interface than iOS isn’t because one came after the other or because this one’s old and this one’s new,” Federighi said. Instead, it’s because using a mouse and keyboard just isn’t the same as tapping with your finger. “This device,” Federighi said, pointing at a MacBook Air screen, “has been honed over 30 years to be optimal” for keyboards and mice. Schiller and Federighi both made clear that Apple believes that competitors who try to attach a touchscreen onto a PC or a clamshell keyboard onto a tablet are barking up the wrong tree.
“It’s obvious and easy enough to slap a touchscreen on a piece of hardware, but is that a good experience?” Federighi said. “We believe, no.”
As Business Insider's Jay Yarow pointed out several weeks ago, Apple CEO Tim Cook has been loudly dismissive of the Surface for the last two years:
As much as a well-executed touchscreen MacBook could make for an amazing device — maybe even "redefine laptop computing" — it seems that Apple doesn't want people to get caught up on the idea, even if it is true.