Can't quite remember when but I suppose sometimes in the late 70s.
A lady embarking on an El AL flight was asked that question. To which she replied "no, my future husband did."
The next question was:
"And where is your husband then, is he travelling with you ?".
She replied: "no, he will be joining me in Israel where we will get married and I'll get the baby that I am presently expecting".
Still suspicious, the agent called for security and surprise, surprise, the bag had been converted by her husband and father to be, in a bomb designed to explode during that flight.
Turn out that the loving dad belonged to some terrorist group and had used his girlfriend (who knew nothing about it).
Having heard that story (and others) while I was working at check-in, I don't hink it is that dumb to ask it. you never know what might result out of it. As for the guys who thinks it is funny, they can always say that to victims of terrorism.