See personally i would say that dubstep is much more a mixture of 2-step/d'n'b/trip-hop with some dubby compared to Scorn.
But yeah those grimey guys crack me the hell up, they're rapping trying to be all hard and shit cause they heard The Chronic, what they didn't know is "on his own album covers he was a she-thing" and that Ice Cube was in the University of Arizona when he was recording Straight Outta Compton.
Tupac never was a gangster, until he strated believing the hype.
And the other day i was walking down the streets here and saw two young kids, maybe bout 15, one black, one white, clearly army brats. As i walk past the white kid busts out something about "him and his homie gs slinging rock"....I just bust out laughing...
BUT: rephlex did put out 2 grime compilations....that started this whole thing off (in terms of poplarity)