Xbox = Windows
Data Center = Windows
Phones = Windows
Tablets = Windows
But what does the rest of the world use to run GPS navigators, cameras, routers, set top boxes, thermostats, wrist watches, super computers, and more? That would be Linux.
What do developers use? Linux. Microsoft admitted as much when they said the reason for bash on Windows was to lure developers back.
Maybe you shouldn't have driven developers away with Windows Surface, a whole new App API, and your crappy app store. Oh, but Surface also drove OEMs away because it back stabbed them by competing directly with them on hardware. And Surface drove users away, because it sucked. Wow. Developers, OEMs and Users. What a master stroke the Surface was!