The flight attendant also wedges the door open (and blocks entry/exit with a cart during this time. Yes, they could incapacitate, but it would take time to do t

The flight attendant also wedges the door open (and blocks entry/exit with a cart during this time. Yes, they could incapacitate, but it would take time to do this, get the door closed, and dead bolted. One would hope that the commotion would bring help before all of that could be accomplished.