Encourage attachment to weapons through various gameplay mechanisms (RNG, time consuming grinding, seething hatred of the Cryptarch)? Check! Devalue the aforementioned attachment (and the related time and effort invested) in an attempt to push upcoming DLC content? Check! Hit the reset button while passing it off as progress? ...I smell a "check" coming on. I'm not saying that you can't have a game where existing equipment can never be left behind ... but when that equipment comprises the bulk of the content that you're pushing as what defines the game ... well, you can only can only sell the same "new and improved" shampoo with a different label for so long before that lather, rinse and repeat cycle becomes apparent as nothing but a way to sell more of the same old shampoo.