Hijacking was pretty different back then, which is why passengers were used to the idea of staying uninvolved and not escalating things. That's part of why 9/11

Hijacking was pretty different back then, which is why passengers were used to the idea of staying uninvolved and not escalating things. That's part of why 9/11 was just a (culturally) unimaginable shift, it wasn't really in the gestalt that a hijacker's main goal was other than to kill/die.