The reason for NO HIJACKS since the TSA came into force is not because of the TSA actions. It is due to the increased security onboard aircraft, where no-one can enter a cockpit without being let in. Strict rules exist that involve the use of changing passwords, only one member of cabin crew entering the cockpit at a specific time etc to eliminate the threat hijackers can place on pilots of aircraft. It will get to the stage where the next level of aircraft have NO entrance between cockpit and cabin AND pilots will be ordered, when under threat, to land said aircraft and nearest airport.
As it stands, the airline industry do not want the TSA or anyone interfering with the industry. The industry have sorted it out themselves.
I do suggest that before the TSA tries to invade the world with its policies, that in America, you eliminate them.
Whatever / whomever started this fear-mongering, whether it be, as the TSA state, a response to threat from 9/11 or from other source, Americans have sold their freedom, and whomever started this, has beaten you and will continue to beat you.
History has seen billions die for freedom - but currently, Americans have given freely their own freedom for a semblance of what?