Defecting is only a good strategy in a prisoner's dilemma when you don't need to cooperate in the future and can't be punished outside the scenario of the priso

Defecting is only a good strategy in a prisoner's dilemma when you don't need to cooperate in the future and can't be punished outside the scenario of the prisoner's dilemma. If this, say, destroys public trust in Silicon Valley startups, or leads to restrictive government regulation, then it might cost more than it saved in the long run.