Eh... I'll admit it's a bit further off than the usual stuff that comes out of Japan--then again they have a different set of standards over there. I mean, let's figure; their Cartoon Network (you know, for kids?) has full frontal nudity in it. This must be the comparatively adult stuff.
As for who's it for specifically, besides masochists (For the people who haven't had that particular vocab list yet, that's a type of people who get sexually excited through experiencing/witnessing/dealing pain)... I have no clue.
To which I feel compelled to stick you with another Tom Lehrer song:
(Don't worry, it's tolerable. Remember, it went on TV in the '60s, so I'd say PG-13 at worst, no imagery.)
You posted his Irish Ballad a couple of weeks ago, and I am now obsessed with Lehrer. *cough* Which is why I needed iTunes money. Yey for the purchase of another album. >.>
And I swear I have listened to this song twenty times in the past two days.
He's already sung all of it (war, environmentalism, media, etc), and he still plays something on the piano here or there for people, but he isn't officially performing because apparently he hated the stress.