Every single example he gave looked, in my opinion, better the new way. This entire article is just a vast list of opinions about their interface design disguised behind some inappropriate grand declaration of truth.
Not to me. Flat is ugly. Different for difference's sake. Designers' need to make their mark. Microsoft's desperate attempt to find any competitive edge against the iPhone. When Apple designer got suckered into going flat, they instantly made Apple a follower, instead of the leader they were in design, leaving no doubt that there's no one with a taste left at Apple after Steve died and Scott Forstal was forced out. iOS 7 was the saddest thing to happen to Apple in its entire history, imnsho.