> In a Landsburg's queue, it is compulsory for everyone arriving at the scene to join the queue immediately. Otherwise, people would just swarm around the head

> In a Landsburg's queue, it is compulsory for everyone arriving at the scene to join the queue immediately. Otherwise, people would just swarm around the head of the queue, fighting to join the queue as soon as the current customer gets served. In the following discussions, I assume such swarms are successfully prohibited. That’s still a non-physical solution because you can’t actually operationalize that rule.