Neoliberalism and market socialism seem like unusually non-tribal political philosophies; communism and libertarianism seem like unusually tribal ones.
Corporations with names like Amalgamated Products Co probably aren’t very tribal; charismatic corporations like Apple that become identities for their employees and customers are more so.
Tribalism is potentially present in all groups, but levels differ a lot even in groups of nominally the same type.
Modern Belgium seems like an unusually non-tribal nation; Imperial Japan in World War II seems like an unusually tribal one.
Each group developed a negative stereotype of Them and a contrasting positive stereotype of Us. The Eagles, after winning one game, concluded that the Eagles had won because of their prayers and the Rattlers had lost because they used cuss-words all the time.
Toward the end of Stage 1, the groups would gradually be made aware of each other.
They also concluded that since the Rattlers swore all the time, it would be wiser not to talk to them.
The Eagles developed an image of themselves as proper-and-moral; the Rattlers developed an image of themselves as rough-and-tough.
They all develop an internal culture such that members of the groups often like the same foods, wear the same clothing, play the same sports, and have the same philosophical beliefs as other members of the group – even when there are only tenuous links or no links at all to the stated purpose.
They all tend to develop sort of legendary histories, where they celebrate and exaggerate the deeds of the groups’ founders and past champions.
Well, the 22 boys were divided into two groups of 11 campers, and — — and that turned out to be quite sufficient.