Mike, surely the same criteria have been applied to the Jews who "returned" and continue to "return" to Israel?
One thing: in South Africa a common call/slogan during the struggle for liberation was "One Boer (i.e. white Afrikaner), one bullet". By no means everyone subscribed to this slogan, but it stirred up a lot of fear (as did the bombs and violence prevalent at the time, as well as the supposed "communist threat" from South Africa's neighboring countries).
The goal of the majority of Palestinians is not to "push the Jews into the ocean" as many people unfortunately believe; they simply want to be able to go from one side of a city to the next without having to pass through the checkpoints that serve as a daily reminder of occupation. The want to be able to raise their children in a free land that they can call Palestine. They want what everyone else in the world should have; their freedom and a country.
Also, I may be mistaken, but is Palestine not the only country in the world that in recent times actually has been wiped off the map?