I defect on both scenarios. I am confident enough of this choice that I feel less respect for someone who would cooperate on either (at least to the degree that I can assume they are sincere in saying so and not just signaling).

EDIT: After your changes to the article, I suspect the reason you don't think it's obvious is because you've been dodging around an essential element of the True PD - i.e. the "one-shot" part.