You might wish to read the link below
There seems to me to be one slight difference in the two cases.
Taking the Tunis flight, the aircraft was going there as advertised so it would have obviously be going to a sensitive location!
In the case detailed in the link the aircraft was supposed to be going to Kuala Lumpur and made an unplanned landing in Kuwait.
In the first case a passenger has a choice go or not to the advertised destination, in the second case they had no choice