I've been playing in the crucible all morning and there has been a strking similarity between some of the top players on the opposing teams, they all had shit connections which were allowing them to bug out and ignore normal game mechanics. Beyond the lag jumping back and forth it made them almost invincible at times. I was up against a warlock who took a full 30 something shot clip from a heavy machine gun straight to the head and didn't die until after he had run around in circles freaking out and finally turned around and killed me half way through the second clip. A hunter who survived a direct grenade blast and not one, not two, not three... but five melee attacks before he killed me and then seconds later fell over dead as I got credit for a post mortem kill. It can be hard enough playing against competent players in the crucible, but even the crappiest players become a near unkillable wall when their shit connections turn them into a bugged out killing machine.