Both GTA and Manhunt are prime examples of the kinds of things that should never have been
Censorship = Dictatorship
you don't like it, you don't play it.
Personally i don't enjoy playing GTA and the likes.
Now let's compare video games to movies, a movie like "Blood feast" (1963) was considered highly outrageous when it came out. Nowdays it almost looks ridiculous.
My point is there will always be something for people to consider this is the end of society and of 'good morals/whatever'.