Warehouses are huge spaces with lots of stuff and relatively few people. You could have 10 - 20 people running a million square foot warehouse. You could have h

Warehouses are huge spaces with lots of stuff and relatively few people. You could have 10 - 20 people running a million square foot warehouse. You could have half that in an emergency situation. These workers can have their own tasks that take them to different parts of the warehouse where they don't need to interact frequently. That's like two orders of magnitude away from bars and restaurants, where you're deliberately placed single digit ft away from everybody else.