Pure co-operate can be a reasonable strategy, even with foreknowledge of the opponent’s defection in this round, if you think your opponent is playing something close to tit-for-tat and expect to play many more rounds with them.
Pure co-operate can be a reasonable strategy, even with foreknowledge of the opponent’s defection in this round, if you think your opponent is playing something close to tit-for-tat and expect to play many more rounds with them.