I lived in the UK for decades and only ever seen 1. It was pathetic too lol

I mean yeah, evolutionarily it has its basis in a functional trait. But there's no denying that it's lead us to all kind of problems.

Because people just can't help themselves being as tribal as possible.

Humans are inherently tribal about almost anything.. Music taste, Sports teams, Patriotism, Coke Vs pepsi for Christ's sake.

Any choice between 'this or that' will lead to tribalism. It's a flaw.