Of course Microsoft has its reasons for eliminating the desktop we know and love from prior versions of Windows.
Uh, remember what happened when Office 2007 changes the user interface? Confusion. Anger.
Come on MS, this isn't freeware. Its supposed to be your flagship product now that "other" OSs are competing to reduce market share.
One reservation, however. I haven't used the product yet, and will suspend final judgment until I do.
No Booting Straight to Desktop in Windows 8