The issue is this reaction never sticks. Everyone's up in arms, but would you really want to go back to Android KitKat or iOS 2? Probably not for more than novelty, right?
I would really want to go back to something like the look of iOS 1-6, with clearly discernible UI controls vs. content and labels. Not the real-world-mimicry skeuomorphism, but the look of the standard UI controls.
If it was usable with the apps I need today, I would switch back to Android 4.4.2 or iOS 6.1.3 in a heartbeat. Not sure how long I would stay before the rose tint in my glasses returns to normal, but I would certainly love to try.