Anyone who doesn't think cunt is offensive...
...hasn't learned to use it properly...
Seriously: Overuse in the UK has watered down its delivery impact. Earlier comment regarding the mystifcation is dead on. Perfect example in Euro progressive reverse: in Germany you can wave your hands at someone which means "Fuck You Dumbass!" but give them the finger and they will write down your license plate and call the cops...for a 1500 Euro ticket which I seem to have slippery shoulders enough to avoid. But you know something, I don't do it often but there is nothing like giving someone the middle finger and then the sight of them freaking and gesticulating in their car when I flip them off for being a total dick in traffic.
Mission accomplished.