You guys don't seem to get it here. The normal users don't care. Those just migrating for the first time don't care. They either weren't doing "intensive" tasks in the first place, so there's no learning curve involved beyond what they would experince on any GUI if they decide to do intensive things later. For those that will be moving for the first time, they expect something different.
When it comes to this Amazon business, this is something normal users are totally accustomed to, and many may actually enjoy. The "mass migrations" you guys keep talking about are those who should probably be using mint, or straight debian in the first place. You don't, won't, or can't understand that the work that goes into Ubuntu costs money that can only be recouped in the space it has some clout, and wiggle room, in. Enterprise may already have a support contract, but Ubuntu's presence there isn't enough to start re-negotiating contract terms. Ubuntu can only make moves on the consumer space to really start influencing income and enterprise. Look at the influx of enterprise support of Apple/Android products. This has been due their success in the consumer market causing them to make strides into enterprise. Microsoft is so deeply entrenched in enterprise that going straight for it on its grounds would be a terrible idea.