"tactic to spur people on, to get Windows 8 really successful."
That's backwards. They stuck a phone UI on Windows thinking it would spur on people to buy Serface and Phone. They think people are locked into Windows so they can use it as a lever.
They are also trying to force Web Services. Click on the calendar and it will not let you look at anything until you log into a Microsoft account. The Weather app has ads like some free phone ap.