They have strong consciences and righteousness. Their virtues are individual qualities - honesty, courage, integrity, etc. The problem is your implicit acceptance of the notion of ethical equivalence between the two sides. It's like those people who, during the Cold War, held to ethical equivalence between the Western and the Communist blocs, or those who suggest that, because both sides committed atrocities, there was an ethical equivalence between the Allied and Axis powers. Faith is always a good.
Unity is a good only when it arises out of a good source and is focused on a good end.
For example, I just finished watching Raise the Red Lantern and re-watching The Godfather . In both those cases there was great stress on and faithfulness to family and group unity, tradition, and suppression of the individual in favor of the good of the group. The Chinese Confucian system was, on the whole, an evil system. Shinto is, on the whole, evil. It was the adherence to groupism that allowed the rise and expansion of Nazism and Japanese militarism.