Not all Deathcore sucks. I'd say that Veil Of Maya and Whitechapel are the only two Deathcore bands worthy of being listened to.
That said I would never go to a Deathcore show. I see enough of those White Hot Topic Ninjas at the shows I have to play with my bands.
That Drummer Guy Presents:
EVERY DAY from 4-6 am and pm on http://www.zeropointradio.com