Occam himself used the principle to argue against Christian Platonism. Christian Platonism was a theory during the middle ages which believed that God modeled the creation of the world after the Platonic Forms in his mind. Thus the creatures of the world were degraded imitations of these perfect forms. Occam argued that these were excess assumptions. He then used this argument to paint of picture of creation in which God did whatever-the-hell he wanted to. This was a bit disturbing to Christian theologians, because this completely free creation meant that God could've made hating him pious and evil deeds virtuous.