Ugh, that is hype and nothing more. I've been using ubuntu since version 4 or so, and Unity has made me switch the windowing manager. Simple as that. It impedes my workflow and it doesn't even come close to what a simple, developer centric manager should be in my point of view. I installed the WM that comes with Lubuntu and unless Unity changes for the better, it will not be on my workstation.
I can also say, that many developers I work with feel the same way. It wasn't as if we didn't try to get used to it.
And there's precisely the point: "it will not be on my workstation".
Unity is aiming for the desktop market, not the workstation market.
My desktop is Windows, because it allows me to consume media, browse the web, shove stuff onto my iPod with iTunes, and at no point do I actually have to think.
My workstation is debian with fvwm2.
Ubuntu is "linux for human beings", not "linux for development workstations". This is not necessarily a problem.
I can also say, that many developers I work with feel the same way. It wasn't as if we didn't try to get used to it.