Silly question. As a PvE main I can happily live without Crucible in the game... ...right up until Bungie stops supporting it due to lack of players and revenue. If you don't understand that PvE and PvP have a symbiotic relationship then it's likely you don't understand that Bungie are a business, Destiny is a product and we are customers. If the product becomes unprofitable it'll be dropped. Easy math, Guardiman.