That's probably because the "arrow to the knee" and "FUS RO DAH" joke (and I use the term lightly), has been beaten to death more times than a [censored] mudcrab. I don't even read them to the end of the sentence anymore. IT'S NOT FUNNY PEOPLE!
I suppose, but then again there are only so many pictures I want to see someone's character doing a finishing move i've already seen, or standing on top of a mountain with the moonlight shining.