it uses less fuel per passenger to ensure that every flight is jam packed. It's more efficient and everybody wins. There are almost no examples of situations th

it uses less fuel per passenger to ensure that every flight is jam packed. It's more efficient and everybody wins. There are almost no examples of situations that overbooking + auctions doesn't solve. I think you don't understand the law as it currently exists, because what happened on that united flight was in clear violation of that law. They didn't deny the man boarding, they deplaned him. This isn't something the airline is allowed to do for economic reasons, ever.