There are some places where presenting yourself as a transit passenger meets with bemused looks. You must as well as well have arrived, shouting: "I am a lunatic. Lock me up and throw away the key."
I can assure you that not many people use DAM for example as a connecting hub. That was an interesting experience.
And in TLV, connecting from one non-Israeli airline to another one, makes you an almost certain terrorist in the eyes of the security staff.