17% do raids but how many people activly play? I know more destiny players with level 5 accounts than actual players. Also, if the factors are 2/3 controllable and 100% retryable, its not really 10%, it could be anywhere from 0-100% theoretically. The only fair fix is limiting flawless players from reentering trials with non flawless players, which they do right now by only pairing 6+ win players with eachother