Well, still, you cannot say that they "re-defined the very essence of what a smartphone was" if they didn't make smartphones in the first place. You're right that most people don't give a tralala, but that only means that most people don't want a smartphone,. They just want a fancy UI and Angry Birds. So what Apple and others re-defined was the price and the UI of a feature phone. They didn't even enter the smartphone market.