Which make the concept of war even more obscene.
Edit: Otherwise I don't see what the goal does to make the butchery of your fellow man any more or less obscene than it inherently is.
In Prometheus Rising RAW mentions that the reason monks take a vow of chastity is because it instantly frees them from one of the major hamster-wheels of the human condition.
Of course, I'm not planning to become a monk :) But food for thought...
The legal definition of obscenity requires that a work is meant to be arousing and has patently offensive sexual conduct, in addition to having no redeeming artistic value.
Therefore, adding sex into something offensive makes it more obscene.