1. They are always late; they would have missed all the flights.
2. The pretty girls on the plane would distract them.
3. They talk loudly and bring attention to themselves.
4. With food and drinks on the plane, they would forget their mission.
5. They talk with their hands; therefore they would have to put their weapons down.
6. They would ALL want to fly the plane.
7. They would argue and start a fight on the plane.
8. They can't keep a secret; they would have told everyone a week before doing it, or at least put it as a status on facebook.
9. They would put their country's flag on the wind shield.
10. They would all have fallen over each other to be in the photograph being taken by one of the hostages to be posted on facebook.