I've been thinking about this biology a while. Humans just have to get along so we can get things done in society and the world. How are we going to develop the technosocial systems we need to grow in consciousness otherwise. Primitives just don't have the nutritional or communication systems to be as conscious as we can. Its sad that despite varying tolerances possessiveness is the norm in every culture.
1Sapolsky, Robert. "Human Behavioral Biology." Behavioral Evolution II. Stanford Courseworks. Stanford University, Stanford, CA. Web. 2 Oct. 2011.