Don't Food, Water and Energy Nexus Social Metabolism(s) Have Innumerable Possible Configs?

There are some that regard the food, water, energy nexus for sustaining human life as a simple complex system.There probably are innumerable possible configurations, as with several systems including medical provisioning, housing and transportation. Expert systems may model some of the structures. it is unfortunate that government probably does not use expert systems to increase efficiency of its own political economy and actualization methodology.  An ecospheric wild integrity nexus is another malleable management configuration structure.