Many societies with turmoil have managed to resolve the situation and went back to normal. Surely that depends on the attitudes of people, and especially leadership, on how to deal with the situation.
Zombie television presents violence as the only option and the enemy as an incurable and unsavable evil. If the only option shown is to kill and build walls, then that's what they are programmed to do.
In the real world people can always come together and compromise, share ressources and help each other. The foundation for this has to be built in peacetime.
> "In the real world people can always come together and compromise, share ressources and help each other."
That's starkly contradicted by the absence of toilet paper and other staples on store shelves at the individual level and the ongoing profiteering on and commandeering of medical protective gear and other medical supplies at the international level.
Zombie television presents violence as the only option and the enemy as an incurable and unsavable evil. If the only option shown is to kill and build walls, then that's what they are programmed to do.
In the real world people can always come together and compromise, share ressources and help each other. The foundation for this has to be built in peacetime.