This is a more general question than just about Strategic Reliabilism. Obviously, many decisions occur in a social context in which the majority of other people do not necessarily, or even usually, behave based on rational strategies. Given that any strategy a rationalist chooses to use interacts with, or even depends on the irrational behavior of those other people, how can such irrationality be factored into a rationalist-based decision? Perhaps this question is a restatement of: Nothing is Foolproof!