So it will barely work a month before release? Then it's just the small detail of all practical stuff that might pop up when you port hundreds of applications to your new nifty GUI?
Something tells me that's going to sitt well with end users. I know I'm dangerously close to violating "shut up or pitch in" rule but something tells me this will bite anyone who argues that Linux is "ready for the desktop" in the future.
I still hear "yeah, I tried that but my sound card didn't work" from when some distributions decided to go with PulseAudio long before all applications worked with it.