Our Gamestop, for what its worth, has a good number of Destiny for all consoles on used at a silly 49.99$ price tag... I'd sooner buy the new copy for that little of a difference. If I remember, I counted about ten total between PS4 and XOne.
My guess is people bought the white bundle for the white console, and didn't a crap about the game.
(This is Chicagoland GameStop near Lakeshore, if anyone happens to want a used copy.)