Yeah, it's just that I remember people saying the same thing about Windows 95, 98, 2000, XP, etc. (or each OS X release on the Mac side, since 10.1 or so – I think everyone agrees 10.0 was over the top).
Some people initially have strong negative reactions to something familiar changing but those tend go away quickly as the new version becomes familiar and then the same people will rant about the next version. Remember the “Fisher-Price My First OS” jokes when Windows XP came out? I'd bet you could find similar cracks at Windows 7 from some of the same people who are now saying the XP UI was the Platonic ideal of Windows.
ArsTechnica actually did the legwork looking through their forums when the now-staunchly-defended Windows XP was approaching EOL:
