Rules are valid only in a society which accepts rules and in which the situation is such that rules are applicable. Where rules don't apply, rules don't have power. When the situation is anything but normal, no rules apply.
To create tranquility, security, and order and thereby establish the normal situation is the prerequisite for legal norms to be valid. Every norm presupposes a normal situation, and no norm can be valid in an entirely abnormal situation (Schmitt 1966, p. 46).However crazy it may seem, but the inverse of it is also valid. That rules, standards and strict policies are needed to bring an unruly situation under control and establish normalcy. To create a peaceful society, one needs rules!