Because until there is a another game that me and my friends all play and enjoy on a daily basis that I get to shoot things and compete in multiplayer with smooth gun play I don't see myself stopping. There's nothing wrong with playing other games occasially I myself dabble in blops3 and battlefront atmo when i fancy a change or nobody Is on to play destiny with. There is MORE to do in destiny then any other multiplayer only shooter like the other games I mentioned, be it going for collection of class exotics, all 3 sword types, full sets of IB or trials gear, raiding or just fun times with friends in crucible or patrol no other game has that many options as well as feeling as social