There are certainly a lot of valid points to be made about GNOME's design decisions. The problem is that most of the discussion on public forums (such as this thread) are not that, and it gets annoying after a while.
For example in the land of iOS we see people complaining about their Maps application being completely broken after Apple's recent screw up, so they're now missing essential functionality. With GNOME 3 nine times out of ten people complain either about having to use a separate program to tweak some of their settings or having to spend 40 seconds to install an extension that changes the behavior of the Suspend/Shut Down button. The horror!
If you do have useful and positive suggestions to make don't feel discouraged; people are listening. For example, the message tray in 3.6 is proof of that.