Actually I disagree with everything but the last, just because something has a low backround beat doesn't make it dubstep.
The beats in pretty much every song I posted are total dubstep, and the bass also fits the description. The only artists people actively argue against being dubstep is James Blake, but I think he is, he just has a loving unique super minimal style. And hell, Burial's Untrue is usually regarded as the best loving dubstep album of all time.