Why, is he ashamed? Petulant? What?
Not at all. But in a morally neutral world where scientists are scrambling to create life in a laboratory while simultaneously their counterparts are slaughtering millions of innocent babies, and a world where we've developed the ability and power to blow ourselves into oblivion, maybe He thinks it best that there are just some things we don't need to know.
Curiousity is the damnation of man. If we knew everything, we wouldn't have anything to do.
Sane people turn reticent around those who hate them.
Probably, more than likely...just disappointed.