He starts off with the premise that he needs to do a long test, using Windows8 as his sole machine in order to give it a fair review.
He obviously spent a long time trying to get Windows 8 just to the point where he could use it day to day.
I think you are missing the point of the whole video: He wanted to get Win8 to a point where he could use it day-to-day for a month, but encountered so many issues that he never got to that point.
While he is very hyped in the video, he makes some very sound points, especially with control, conveyance, continuity, and context. Windows 8 is a big step backwards in each of these four areas for desktop and laptop users, which represents the vast majority of the world.