But you still have queues as 100,000 people all have to get into the airport through one security point. At my local airport they have even built it undergroun

But you still have queues as 100,000 people all have to get into the airport through one security point. At my local airport they have even built it underground so you queue for security in a long sloping concrete passageway - brilliantly designed for maximum casualties, hardest exit and most difficult to fight a fire in