Is the First Approach to Decision Making the Best?

There's something hard wire deep in human nature that seems to work very well with good worses evil reasoning frames. 90% of our consequential survival behavior as a human social species depends on things having to do with other people, good and evil. If you think about it, is a very, very good way of simplifying that whole area of decision making,. where if you simply decide that a certain group is good and other group ar evil. Everything else gets massively simplified.