I fail too see what you saying here, if your saying that them sales figures are 100% accurate them im affraid your wrong, also didnt vista sell millions yet most people went back to XP? See, you proved nothing also you have not taken into account the multiple copies of Start8 used, if a person has one code they will use it on multiple machines, also there are alternatives to Start8 which are free and its not hard to get a crack.
As for the comment about can not adapt to a more efficient start screen thats not true either. I find the new screen mostly ugly, plus with the amount of apps i run at one time its easier to have a start menu/taskbar layout plus the time is at the bottom of the screen if you dont move the taskbar, ontop of of being able to see the time without moving the mouse i see what apps are open and if i choose can spread the tabs along the taskbar ungrouped making for easier app changing. Yes i could use alt and tab but i choose not too, plus i feel i can organised my desktop better than the start screen and it saves jumping from a start screen to a desktop which is not efficient imo.
Yes it can be great if you have a low app base, and not use multiple programs at once but some of us do.
Back on topic, i doubt window will add it with the multiple 3rd applications out there that are already doing a good enough job, and if they did would it be better or worse than 3rd party ones?