Same kind of "move on, move on" thing happens at PHX.
This may be very obtuse of me, but what exactly is the security concern of people stopping in the passenger pick up area? There might be a bomb in the car? There could be a bomb in the rental car or hotel shuttles as well.
Will we next have an airport shuttle to take arriving passengers to an off-airport pick up site? How about we are not allowed to park at the airport itself and all parking is taken care of by huge parking garages off property?