Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
Ubuntu can be extremely easy to use and manage. However, Unity changed (?) something. There is a clear line drawn between Unity users and Gnome 3 shell users. Thanks to the newly launched Gnome shell extension website, quite a lot of users are returning to Ubuntu.
This leads one to think what should Ubuntu do? Unity is undoubtedly an ambitious project which focuses on future -- especially on mobile devices and TVs. Ubuntu needed to do that in order to claim a pie in the new markets. But, it should not be done at the cost of current desktop users. These are the users who would prefer Ubuntu over other solutions but once you get a bitter taste in your mouth you won't want to run Ubuntu on your phone or TV. Simple.
The best solution is to create a derivative of Ubuntu, could be called 'Gubuntu', running Gnome 3 Shell by default --