That's the concept behind the classic mode that was added as part of Gnome 3.8 and will be the default desktop on RHEL 7. Its user experience is right in line with Gnome 2 and isn't too much off a shift for existing users of RHEL, so I don't think there's any reason to get out the pitchforks.
Classic mode is a joke. I've tried it briefly on F19 and only agree with http://forums.fedoraforum.org/showpost.php?s=d8e300363d613f371d2f39a913480ca.... We want our users to be productive from day one. Fiddling around with this extension and that extension for 28 days to get a usable desktop is not an option (although Gallagher's review is quite good in most regards, http://sgallagh.wordpress.com/2013/05/30/one-week-with-gnome-3-classic-prolo....
I'm looking forward to the first RHEL7 beta to see first hand what we will be having to deal with. Haven't seen much more than RH Summit presentations yet.