Because, as of right now, this thing is almost non-existent. There are way too many players that have tons of other exotics (if not practically all of the currently existing ones), but STILL don't have a Necrochasm after grinding 3 characters out week after week on Crota's End...myself included. What do you guys think? Check out the "3rd problem" discussed in the specific GI article I'm referencing to here: http://www.gameinformer.com/b/features/archive/2015/08/14/the-taken-king-fixes-destinys-three-biggest-problems.aspx "The journey from the weakest gear to the best has been smoothed over, so you shouldn't have to wait nearly as long between finding something you actually care to equip."