As writer-actor Harry Shearer (who spoke later on a panel on comedy) pointed out, The thing that is rarely mentioned is that because this is a puritanical society and you can't show sex, we eroticize violence.
Harry Shearer posits that due to society reservations about depicting sex, we instead eroticize our portrayal of violence. 
We are fortunate to live in a society that promotes healthy attitudes towards sexuality and eschews violence.