Reread yourself next time. There's many typos and places where you used the wrong h̶o̶m̶o̶n̶y̶m̶s̶ homophones. It's hard to take you seriously when you write "left in piece"...
The two situations are way too different: the relationship between a child and his parents implies that the parents have an authority on him. Deletionists have no authority on the content of Wikipedia. They know the policies and how to make Wikipedia work. Those policies grant them an advantage and if they misuse them, the users have little recourses. This, combined with arrogance, enrage the users.
I do not approve the harshness that we saw tonight, but it is easily understandable.
The AfD process is problematic, but Christopher was also problematic. He was strictly following the rules, even when it didn't make sense, and continued to do so even after other users were telling him, politely, that he was wrong.
This sort of behavior is not acceptable on Wikipedia (at least, according to everyone who comments on ridiculous AfD stories). As for teaching him a lesson: he was caught live. The harshness of the lesson was proportional to the amount of rage such behavior induce.
It uses mutter as its window manager, which is based on metacity and uses the clutter toolkit (hardware accelerated UI). It replaces compiz but seems to have much less eye candy. Remember, metacity is the WM for the grown up!
So gnome-shell will require a GPU (should work on the Intel GMA), but have the side effect of not working in virtual machines.