There is absolutely no way he could have made such a move without the board's blessing; perhaps it was even their expectation that bringing him in would improve

There is absolutely no way he could have made such a move without the board's blessing; perhaps it was even their expectation that bringing him in would improve a deal they wanted to make with MS. I don't understand at all why you'd hint that this is "Microsoft serving" when it is clearly the will of the board of directors that this happen for Nokia.