The airlines have a bag of bones. More than enough bones to go around all the dogs, and they throw out just one or two to start. The young pups tear each other to bits to get a taste. Meanwhile, the smart dogs, know if they just keep their desires in check for a little while longer and stand back from the melee, there’ll be much juicier bones coming for everyone and they’ll be able to pick and choose and fill their bellies while the once-desperate pups are nursing their wounds and out of the competition.