It's survival of the fittest, in the animal kingdom or the human condition. First mode is the protection of the self, than joining groups/gangs of similar notions. Strength in numbers and all it can provide. In a distorted way gangs replace the family group for a lot of people. A rule of martial law develops over time with gangs, some times fairly quickly. Than a crude form of civil law and order may develop. Opportunity, in any disaster, for the strong (either good or bad intentions) to take control and rule. With humans, society may break down but soon or later a new civil order is reformed. May take years, may take century's. How many nations were formed and started throughout history.
No offense to Stark's mom's but being highly educated and smart do not always go hand in hand. Like being book and theory educated and actually having street smarts. Getting down and dirty, which is learned through real life experience. Not saying Stark's mom does, but for some folks living in a Ivory towers does have it's draw backs (not to mention it's draw bridges).