Reason #3: “Security” happens in one place.
"What really scares me when I’m in America is picking up my luggage. If you’ve ever picked someone up from a flight, you know there’s no sort of scrutiny around who gets to walk in there. It’s like the TSA thinks the terrorists have some sort of death grudge against planes. So if we can keep them from getting on one, they won’t bother murdering a bunch of people clustered around baggage claim."