Ubuntu created a new shell on top of Gnome 3. I'm not sure how that makes for more consistency. Unity is not widely adopted outside of Ubuntu and Gnome 3 is so

Ubuntu created a new shell on top of Gnome 3. I'm not sure how that makes for more consistency. Unity is not widely adopted outside of Ubuntu and Gnome 3 is so unpopular that there are two projects to keep Gnome 2 around; Mate, a fork of Gnome 2 and Cinnamon, a layer on top of Gnome 3 that has a UI similar to Gnome 2.