Violence is one of the most fun things to watch.
If the film isn't suspenseful, i.e. the pressure cooker situation of what's going on in the movie, if that's not part of it, if the threat of violence and the temperature isn't always going up a notch every scene or so, then the movie is going to be boring. It's not going to work.
Violence in real life is terrible; violence in movies can be cool. It's just another colour to work with.
Violence is a form of cinematic entertainment.
If I've made it a little easier for artists to work in violence, great! I've accomplished something.
Violence is fun, man.
Spaghetti Westerns are really brutal and operatic with a surreal quality to the violence.