dubstep is impressive because it has amazingly wobbly bass that makes people go 'wow!'. that's about it, I hate dubstep, I don't give a fuck about bass and that's all the genre has to offer. I've loved electronic music all my life and I think it fucking sucks. But, it won't last because it's built upon a cheap hook (the bass). Once people get bored of that bass, it's dead as dodos.
annoys me a bit that dubstep has changed from being more like dub was (reggae influenced) to just video game remixes and shit like Skrillex. Americans don't understand true dubstep because as a nation they are racist and have never had the same influx of jamaicans and jamaican culture that we had in the UK in the 70s.