He doesnt really care about being a death god or not, hes just utilising his power to attain his goals, whether it be killing hollows, saving Rukia or what have you, so i think it would be extremely out of character for him to go all savior or judge of death gods, besides, how good could that possibly be? OMG ICHGO ROXXORS HES GOD OF THE DEATH GODS OMG L337!!!!!!11