Keeping them separate has meant that no compromises are required. The touch iOS interface can go in one direction, and OS X, still very much geared towards mouse-pointer and physical keyboard, can go in another.
Microsoft, by trying to unify not only power-user desktops but casual tablet and even XBox and phone interfaces under a single banner is making something nobody wants. A unified experience is like one-size-fits-all underwear, not comfortable at all for anyone.
Microsoft, by trying to unify not only power-user desktops but casual tablet and even XBox and phone interfaces under a single banner is making something nobody wants. A unified experience is like one-size-fits-all underwear, not comfortable at all for anyone.