This in a way kinda makes sense. I myself have received multiples of every exotic i have and I have all exotics except Hawkmoon 7 Thunderlords, 6 p&t ,3 hardlights, 3 ghorns. etc etc etc. For some reason though,none of those multiples ever turned into hawkmoon. I have been in at least 8 parties though where Hawkmoon dropped for other people,including others 2nd and 3rd one =\.