Well if Palestine was a wasteland then it follows that the Jews did not come in and throw out millions of Palestinians etc. The fact is if we look at other comparable situations they were all solved via integration or resettlement including:
1) At the conclusion in 1923 of the Greek-Turkish War, harsh treatment of Greek communities in Turkey caused large numbers of these Turkish Greeks to flee their homes. Because of this, the peace treaty between the two sides provided for a mutual exchange of populations \ufffd about 2 million Greeks who had been Turkish citizens were relocated to Greece, while about 500,000 Turks who had been Greek citizens were relocated to Turkey. The immoveable property left behind was seized by the respective Governments and was used, in part, to resettle the incoming refugees. (Eyal Benvenisti and Eyal Zamir, Private Claims to Property Rights in the Future Israeli-Palestinian Settlement, The American Journal of
International Law, April 1995, p 322)
2) The Potsdam Declaration imposed by the Allies following World War 2 provided for the transfer to Germany of approximately 15 million Germans, particularly from those parts of eastern Germany which after the war were allotted to Poland. Under the Declaration the German populations in Poland, Czechoslovakia, Hungary and Austria were relocated to Germany, these German refugees lost title to the property they left behind, and no arrangements were made to compensate them for their losses. (Benvenisti and Zamir, p 322)
3) Settlement of the conflict between Hindus and Muslims in British India via division of the region into India and Pakistan required relocation of millions of people. Once again, immoveable property left behind by these refugees was seized by the respective governments to help settle the incoming refugees. (Benvenisti and Zamir, p323).

If the Arabs in 1947 had agrred to the Partition Plan there would have been no problems. If after 1948, the Arabs would have absorbed the 800,000 refugees again the conflict would have been over. The fact is that in the same time period Israel absorbed 800,000 Jewish refugees who were forced to flee Iraq, Morocco, Yemen, Egypt, Syria, etc.