One very comon though. Humans run out of social capability once a tribe/village exceeds a certain size. This is why patriotism is such a important thing, its ba

One very comon though. Humans run out of social capability once a tribe/village exceeds a certain size. This is why patriotism is such a important thing, its basically snythetic empathy for your whole tribe, no matter how huge it is.But it can be derailed pretty badly.