I don't know how much it matters that children have simplistic moral beliefs but I think it matters a great deal that they tend to retain these beliefs in adult

I don't know how much it matters that children have simplistic moral beliefs but I think it matters a great deal that they tend to retain these beliefs in adulthood and that just about everything in our culture encourages this: - the news media - the criminal justice system - religion - TV shows - internet outrage campaigns - etc.