Because they don't do Windows
Well because he had a horrible experience with windows. (credit to Neil Hamburger for this amazing joke)
There is none. All of us hope that the next version will be more stable.
Because 7 8 9
No wonder you called the company Microsoft
Because they must be able to "dust for Prince" I'll see myself out now
Criminal Boss: I'm afraid of a double-cross.
Toad. Thanks, HammerElectionBeans for the edit.