This partnership benefits Microsoft's executives in the mobile division, who will have their vindication in a major phone maker going with their platform instead of Android. Their bonuses will be outlandish this year. It hardly benefits Nokia, who is betting the company on an unknown platform nobody else is betting on.
A friend of mine usually said that when you see two lines in the bank, one being much shorter than the other, you can bet the short one is the wrong line for you.