Yeah, there probably is a good amount of psychological wisdom in "Art of War" that could help in getting a divorce finalized.

The part of "Art of War" that is not appropriate in divorce negotiations is making the enemy mad so that they make mistakes based on their emotions. I suggested that to my L based on a recommendation of a co-worker and my L laughed. He even offered for free to have my co-worker come to his office so he could explain why enraging the other side does not work for delicate legal matters.