Consider the context; in the PvE world your statements are indisputable fact. A fireteam with all the classes is the most efficient killing machine out there. This thread, however, is based upon the PvP world, in which the differences are enormous. Yes, bladedancer can wipe out a spread out team, and the golden gun can kill in one hit. But titans and warlock can wipe entire rooms clear with one move, whereas the Hunter is vulnerable the entire time they are using their special.