... godawful 3rd rate fragmented OS. Its a good server OS but absolutely stinks as a desktop and has a niche userbase who are allergic to spending cash.
Guess MS must have REALLY upset them with their new App store to get them sticking a load of cash on a 3 legged horse.
Erm... I'd lay money that the majority of regular Linux users aren't so inclined because it is free.
Anyway, what does it matter to you? More choice is better for everyone