Other commenters have noted that businesses don't have the governments monopoly on the use of force, but also worth noting is that if a business chooses to trea

Other commenters have noted that businesses don't have the governments monopoly on the use of force, but also worth noting is that if a business chooses to treat you poorly, you can (usually) select a competing business. Not so with the TSA. They have a monopoly on security at all US airports (I think. Perhaps smaller airports are different?)