On the other hand, imagine the efforts that the world would go to to free a medium sized American city that was taken captured by terrorists and rebuild it afterword.
Israel may be the best equipped to maintain order, and they have an existential prerogative to do so. However, what does the eventual transfer of power look like in that scenario? The PA and the UN are maybe the only bodies with the credibility to manage and rebuild the area and form a stable and representative government.