Well it depends. Criticism of the form "make everything look as I'm used to" is not very interesting. The people behind Gnome 3 decided to innovate, adopt a new interface and go on. That's a difficult decision for an established desktop but nevertheless they did. Irrespective of whether I like the new desktop or not, it is nice for free software to innovate and include new designs.
Btw. I think most of the gnome 3 criticism comes from the fact that the new interface requires some introduction (10min one) on how to use. Maybe they should ask the age of the should have included a video played on the first installation. I'm really old-school person but liked the interface only by the time I watched a video in youtube on how to use it.