-One can overthrow a tyranny and restore the country to a halfway decent level of government within years. If lacking an opportunity to do that, keeping one's head down and mouth shut has a good chance of allowing you to live a good life. Not one that I would willingly choose, and one devoid of much further choice, but a good life nonetheless.
-While it is possible to climb out of chaos, the first governments to be formed are generally tyrannies of one form or another (three cheers for having such desireable choices!). It takes several lifetimes to establish the infrastructure required for anything more advanced, and that is without significant interruption to progress, aka no civil wars for freedom or border conflicts for resources.
In the meantime, the tyrannical government would pretty much have to nuke its own population centers in order to match the incredible death toll that chaos promises. Hitler and Stalin would both look like saints compared to any person that did such a thing to the world and condemned so many billions to starve to death or die fighting for the last scraps of food and clean water.
-While it is possible to climb out of chaos, the first governments to be formed are generally tyrannies of one form or another (three cheers for having such desireable choices!). It takes several lifetimes to establish the infrastructure required for anything more advanced, and that is without significant interruption to progress, aka no civil wars for freedom or border conflicts for resources.
In the meantime, the tyrannical government would pretty much have to nuke its own population centers in order to match the incredible death toll that chaos promises. Hitler and Stalin would both look like saints compared to any person that did such a thing to the world and condemned so many billions to starve to death or die fighting for the last scraps of food and clean water.