Earlier quoted context omitted.
How could they? This isn't Android, it's an entirely different OS. If it ran Android apps, it might as well be a custom launcher instead.
They had a working prototype that would run Android and Ubuntu side by side. Would work as a standard Android phone. But when you dock it to the desktop, it's a 100% capable Ubuntu computer, sharing resources with Android. That was perfect. It's the best of both worlds, I'm sure it would be a huge hit. Leverage both the Android mobile ecosystem + Linux desktop at once? That was genius. But instead they chose the gree…
1. see webtop; also look on XDA to see how to partially restore it to canonical's idea.