This almost seems plausible until you realize that Gnome 3 has all the polish of Unity but none of the immediately obvious bugs. If they had simply contributed to Gnome 3 instead of breaking off into their own thing, the result would be far ahead of what they have now.
I am not alone thinking Gnome 3 is not as comfortable to work with as Unity. Unity was born because Canonical wasn't happy with the directions Gnome was taking with 3, and, after using 3 for some time, I have to agree - lots of polish, true, but it's not as clean and direct as Unity.
Unity has its bugs. In the end, they'll be dealt with. It's a 1.0 release, after all.
