Evolutionary cooperation requires a predisposing first cooperative move

Evidence

Although Axelrod claims that cooperation can evolve without trust, the strategy of tit for tat (according to his experiments the optimal one in playing the Prisoner’s Dilemma) is inconceivable in relation to humans without at least a predisposition to trust: when the game has no history a cooperative first move is essential to set it on the right track, and unconditional distrust could never be conceived as conducive to this. — Diego Gambetta, Trust - Making and Breaking Cooperative…, 2805

Categorization

• XREF: Relevant to Blindness: the first cooperative move among the newly blind is exactly what the internalized quarantine either enables or destroys depending on observability.