And here we have the crux of the problem Deciding who who is "righteous and just" depends on an underlying moral judgement, which may not be shared by others.

Traditional western liberalism relies on concepts of openness, equality and tolerance, Elevating one moral system over another is not a hallmark of an open, liberal and tolerant society. Various belief systems including but not limited to Right Wing Militias, Nazis, the KKK, AL Qaeda and PETA do not conform to this ideal.