They didn't ask for your immoral and illegal occupation, so why did you give it to them?It makes Israel look bad. Their arab brethren use them as a scapegoat. And the Palestinians know it too so they play on it with their disgusting victim and gimmee gimmee gimmee mentality.
Are you going to "...gimmee gimmee gimmee..." an answer to that?
Their leaders accepted it in full because it meant two minor royal houses would get nations of their own in Syria and Jordan. They only became aggressive about the Jews getting a nation of their own when Husseini stirred up the hornets nest