To draw on your Ferrari analogy: Ferrari market to a tiny percentage of the car driving consumers as a whole. So of course that would make no sense. Also, Ferra

To draw on your Ferrari analogy: Ferrari market to a tiny percentage of the car driving consumers as a whole. So of course that would make no sense. Also, Ferrari drivers don't tend to also drive Minis, so why have a unified experience. PC-users and Tablet-users and Phone-users are all huge, mainstream, overlapping markets. I can see there might be some trade offs and problems with unifying experience - which is why I said this is a brave move by Microsoft. But you're basically bringing up one of the trade offs (screen size) and using that to write off the whole initiative.