Maybe I'm missing something, but isn't this the message from "tit for tat" many decades ago? neurosciencenews.com/social-coope.... e.g., see: cs.stanford.edu/people/erobe...
Rethinking the Prisoner's Dilemma: How Cooperation Wins - Neuroscience News
Simple opponent-specific responses allow cooperation to spontaneously evolve and thrive.
neurosciencenews.com