Bad theory. In one week, literally ONE week, between the 5 people I consistently play with there had been: 6 ghorn drops, the first 4 were to people who never had them. 2 icebreaker 1 thunderlord 3 hard light 2 no land beyond. And 3 mythoclast. And that's just one week If it was fixed bungie wouldn't have given so many ghorns. It's alllllllllllll RNGesus spread his love. You should probably google how RNG works before spouting theories.