Practice what you preach?
Being an opensource advocate is one thing, I applaud the stance, but on the heels of the "not open, yet!" announcement, is extremely bad form.
There are small tablet manufacturers out there who won't get android 3.0 because their tablets have 2.2 and because they are not in "the gang" - and teams of experts over on xda who want to get working on it too but can't.
So really, if I were NASA I'd be saying to google "sort your own backyard out before telling us ours is a mess."