Aizen turning him down was not something he needed to look into the future for an he said of course aizen turn me down as If he already knew it would happen or the down side to his power is that his future visions he has or whatever aren't always correct.U have sternenritter Boss. Last Chapter revealed his Power. He can see, The Future to Counter every Enemy! But!! He Could not see aizen, manipulatin his feelin of time. Thats, why he couldnt stay longer in ss