What I particularly like about this is that it fits with changes Microsoft have already been making (a move to minimalism and a focus on the content and clean l

What I particularly like about this is that it fits with changes Microsoft have already been making (a move to minimalism and a focus on the content and clean lines, with extraneous UI elements normally off-screen and need to be swiped in). So, rather than the spec proposal coming across as an arrogant "About face and do it my way", it comes across as a thoughtful and sympathetic proposal based around their business.