Now there is an option to really complicate things... many of the principles have direct opposites, would having those negate the bonus of an opposing player?
I must admit I hadn't really put the two together, I saw principles as your world view and creatures as a manifested personality archetype but I see the logic that world view would enhance or limit your ability to manifest an archetype... in a pacifist ideaology a combat personality would be harder to truly believe in.... interesting