I don't think we have too many Destiny players on here, but few can deny the success and staying power of the game.
Here Paul Tassi is featured in Forbes discussing the recent art that surfaced on Reddit of a Hearthstone-like expansion for Destiny. Personal spaces where Guardians can show off awards and achievements and decorate to their tastes.
Is it something that would be good for the game? Would you like it? Do you give a rats ass about the game? :P