I think the true nature of any internal art is to reach peace, harmony, or neutrality...whatever you which to call the balance between yin/yang.
As long as there is a winner or a loser, then there is imbalance. While this imbalance may sway in your favor today, eventually it will have an adverse affect on you.
I believe from my readings and studies that O'Sensei's hope was to use aikido as a methodology for communicating how to reach this middle ground. Resolve conflict to balance or harmony.
This is an ideal and not necessarily attainable in every situation, or even any, but it certainly is an ideal to strive for to better refine our characters.