Excellent! Love a good devils advocate and I think you might have just helped make my point.
Culture is different in different parts of the world. Where I come from, in small towns there can be a very strong community culture where queue jumping would be totally unacceptable, but in other parts of the Western world - often the big cities - the culture is a bit more apathetic or even people are afraid of challenging the queue jumper. Different countries, different cities, even different workplaces or sporting teams can all have a culture which is different. Same as the communities here or even the broader STEEM community. Culture can change. It can evolve, or even devolve. How would you measure it?
BTW - I don't think it comes down to fear for me not queue jumping, it is about respect. But that is a cultural thing :)
I think 'fear' was the wrong word with the wrong nuance. Even respect is something that is born of a partly non altruistic hope for reciprocal respect (maybe completely, but in part).
Soberly, cultural norms are born from specific times, backgrounds and shared expectations. But I think in all cases the norm needs in part to be enforced. Not too much, or you have a dictatorship, but not too little either.
I once read a paper about the evolution of good and selfish nature's and how to find a mathematically stable balance. In the end, it was modelled that you needed a certain balance of the two for an optimally stable system.
Finding out that balance non mathematically and in a non trivial system is a touch more difficult though. Sorry, must get back to work!
EDIT:
So, during that session I was thinking. The smaller the community, the less the need for central authority. I would suggest this is because your reputation is more valuable in a small community. In a large one, you are not likely to come across the same person ever again...
Another thought, I guess the absolute ideal of anarchy should not preclude people forming groups and "imposing" their views and values through a sort of central authority?
Thinking on both your comments in this thread. In the first one, you are quite right. Cultural norms vary from place to place. I believe it is Italy where they don't have a concept of queuing, it's pretty much a free for all. In airports it's likely staff won't intervene as they would fear being called out for racism (or culturalism if that's a thing) if they told someone not to queue jump.
I also totally agree that smaller communities is probably the only way anarchy can really work properly. The bigger a community gets the more disagreements you're going to get and that will then start calling for some sort of authority again.
In my experience, pretty much all of mainland Europe hasa different sense of queues compared to Anglo countries. But that if course is a vague generalisation...
In the larger community, power centres (due to central authorities) begin forming. These will again start to try and impose their will. Coordination of Individualists and anarchy is like herding cats...