Evolution IS the development of something with outside influences. That's how it works.
Although, to contradict myself, I agree because I'd say slam/brutal is the logical next step for death in the vein of Cannibal Corpse and Deicide.
Necrophagist and The Faceless are not real death metal! They are mallcore!!
When I'm in Blashyrk I'm supposed to be king and not surrounded by 2000 other dudes who think they are kings.
You can't say Brain Drill or Augury don't have the same spirit as Suffocation and Cryptopsy.