Making bad decisions based on faulty understanding does not make you irrational, it just means that you don't know enough to make the optimal decision. The rea

Making bad decisions based on faulty understanding does not make you irrational, it just means that you don't know enough to make the optimal decision. The really "irrational" decisions, such as decisions based on altruism, can still be made even with complete knowledge and understanding of the full complexity of the issues that led to the decision.