Many of the Israeli fanatics do not say there should not be any Palestinians, they say there are none.
Jews are experts at public relations, advertising and propaganda.
Arabs, especially clowns like Hamas are absolutely no good at all at convincing anyone other than other Muslims. In the Muslim world, the authenticity of a statement comes from the status of the "expert" that makes it. To most Westerners, Joe Isuzu is more credible than Muhammad himself.
Muslims are illogical like fundie televangelists on steroids.
The fact remains that incarcerating a million and a half people for several lifetimes is a humanitarian outrage.