You're assuming that someone standing with a sign and someone hurrying to get on a plane are equally interested in playing the game. Then again, OP assumes tha

You're assuming that someone standing with a sign and someone hurrying to get on a plane are equally interested in playing the game. Then again, OP assumes that there are no ceilings to payout, which I'm almost certain isn't true. And then again, as mentioned several times here, it's not like you get the real money - it's vouchers.