As human creatures then it appears that one of the goals we should have for in our interations between ourselves and both other humans and the rest of the world is a recognition of this. Specically on an intrahuman level, the recoginition that interactions create a third creature, however complex. If the creature and its components explicitly understand these relationships, then the creature can spend it's time building outward instead of maintaining inward.
Jeff W's world has creatures playing a trading game of the "behaviors/strategies" of "lower" creatures. In a trading game such as this, it's critical for the "higher" creature to be able to evaluate the "lower" creature's behavior in order to know it's was "good" or not. Hence the "higher" creature must observe the strategy of the lower creature. This is the "benefit" the lower creature provides to the higher creature. In turn the higher creature provides a "known" environment where the lower creature can task itself to a certain amount of "job specialization"