I see lots of "fail" with this launch.
First, the product is confusing to the customer. All the commercials show touch screen devices, but 99% of home computers and laptops do not have a touch screen. So many people aren't even sure if it is a regular windows for regular computers.
Second, people like their start menu and the metro UI is odd to navigate by mouse. I imagine you'd get used to it, but why?
Third, branding both regular intel-based and mobile versions of the product with the same OS name confuses customers. So which apps run on which? How does the customer tell? Just calling it Windows implies you could load your favorite Windows apps on it, and you cannot due to the hardware.
Fourth, launching it all at once shotgun style was a wast of advertising dollars and impact.
Fifth, Windows 7 is nice and stable and we all know the new versions are still beta until SP1.