> Bacterial mats, multicellular organisms, forests, fields of grass, mamals, families, civilizations. All of these things are escalations in survivability due to every part of them choosing to "voluntarily refraining from maximizing its production." in favor of behavior that improves the status quo for others.

Cooperation is definitely a popular strategy for survival, and our instinct for altruism benefits the survival of human families and small groups. Consider though, that in each of your examples, the collective entities formed then grow to the greatest extent, limited only by resource constraints and competition from other entities.