It’s meant to be almost like pie in the sky. But it’s also to make the point that there are scenarios where one person could possibly be allowed home without any big increase in risk while another could not be.

Or if you want a less pie in the sky scenario, what about the case of a potentially-exposed sovereign head of state/government or such foreign state’s potentially-exposed diplomat transiting a US airport? Maybe they get to go home when you or I may not.