I have no doubt the study is legit and nothing is 'fudged' beyond their own presentation of the graphs and other things their marketing department have done to

I have no doubt the study is legit and nothing is 'fudged' beyond their own presentation of the graphs and other things their marketing department have done to promote the study. The obvious truth is that Microsoft will only commission a study on something they've already proven to themselves internally. As will every other company on the planet.