but it also brought to light that the passive reaction to hijackings was something that needed to change That is actually the only thing that absolutely needed

but it also brought to light that the passive reaction to hijackings was something that needed to change That is actually the only thing that absolutely needed to change to prevent another 9/11. Some of the other stuff is also a good idea, but the only actual effective solution is to stop being passive in the face of hijackers and fend for yourself.