>happiness...metrics to measure this

And, yet, curiously, very curiously, you dont tell us.

> tribal affiliations are ingrained in our evolutionary makeup

Man has free will to focus or evade focusing his mind. This is known by common human experience, not science. Evolution stopped w/mans free will mind because that is the most powerful method for mans life. You rationalize the cowardly sacrifice of independent judgment to social approval. Better social conditions protect and reward mans free will mind.