… that the inconvenience and injustice of the TSA’s activities exists for literally no reason. If the agency’s privacy violations and annoying carry-on regulations were merely the price we paid for reducing the incidence of terrorist attacks, that’d be one thing. But, as security expert Bruce Schneier likes to note, there’s no evidence that the TSA has ever prevented a terrorist attack, and there’s some research suggesting it could serve to increase non-airborne terrorist attacks. Airline security is, so far as we can tell, totally useless.
— Dylan Matthews, “The case for abolishing the TSA“