He only 'ignores' us because he created us, and wants us to live as we are. although he may disagree with our ways of living and the amount of death occurring, perhaps he feels that's just the way we are, and he shouldn't inefere.
and when you look at what happened when he did, perhaps it is best he leaves us to ourselves. after all, statistics show that the world is actually improving, so maybe there isn't a need for his input.