tribal

People get overwhelmed and tend to revert to tribal thinking, attacking anything that doesn't fit their group's perspective.

Within today's India, there was first Tamil separatism, then Sikh, Kashmir and then a few small eastern tribal groups.

Here's a region on this planet where people have devolved into tribal or cave-men thinking.

One rule, stored only in tribal knowledge, says the maximum speed is 54 MPH.

You exercise your tribal nature by buying the jersey and screaming like an idiot.

Also recall that as social, tribal animals, modern humans relied on aunts and grandmothers to relieve exhausted mothers for all of prehistory.

Kind of a mysterious behavior, though it reeks of evo-psych tribal status dynamics stuff.

Generally the way slaves were captured was that the Europeans would approach a west African tribal chief and give him an ultimatum.

Followed, of course, by a file sharing service set up on tribal land.

There are still tribal civilizations on Earth that are using 50kya technology; there's no guarantee that a civilization must develop science and technology.

The game's religion system, power struggle between noble houses, along with mix of tribal themes and space technology creates a strong Dune-like ambience.

Humans started off as tribal groups of 50 joined together by blood.

Presenting/accepting horrifyingly bad arguments like "you don't share my viewpoint because you're incapable of empathy" is not done because people actually believe in them, but as a signal of tribal membership.

I'm sure tribal big men thousands of years ago would go "hey, don't look at me, I didn't make the yams not grow this year, it's those fuckers across the valley, worshipping the wrong gods!