i think that if they did show this it would make things worse. if these people get the attention, even bad attention, than other people seeking attention will become copy cats (no pun intended). they'll think 'hey all i have to do is skin this animal to get people to turn their heads, cool'. thats why most people do bad things to start with, recognition and attention.
Men never do evil so completely and cheerfully as when they do it from a religious conviction.