Earlier quoted context omitted.
And are you aware of what exactly has changed? One notable change is: reinforced cockpit doors that can't be forced open from the outside easily. Good luck hijacking with that. But another notable change is that plane crews and passengers all understand now that plane hijacking is a life or death situation, and would fight hijackers to the bitter end. Which is what happened on the very day of 9/11, on Flight 93.
With reinforced doors - pilots still come out to use the restroom. Flight attendants usually just block the aisle. People will fight back in the case of knives. But how much fighting back dk you think is going to happen if people have guns? How long do you think it’s going to be before a pilot opens the door if a hijacker starts shooting people? Airport security is by far not just in America with the only exception i…
There also isn't room to get away from angry passengers. They're probably going to overwhelm terrorists with guns relatively quickly.