They will learn that it was a dumb move when corporate customers with hundreds of thousands of installations refuse to upgrade because the eye candy does nothing to improve productivity on their (obviously non-touchscreen) workstations. Coming Soon: Windows 9 Business Edition with the Classic keyboard-and-mouse UI.
As soon as I "experienced" unity I RAN to gnome, screamed in horror, then ran to KDE and just cried a bit to myself. What the hell is happening to linux? Ever since the nearing of Steve Jobs' decline & death it's like every amateur designer in the world's been tyring to take his place.
They're all trying to mimick his vision and design but without understanding it at all. I think this is why we keep ending up with all these heartless, sterile, Kindergarden UI designs.