Considering the first region of “Palestine” consisted of Palestinian, Jordan, and Israel, I think the Arabs got the lions share consistent with their size. But let’s not let facts get in the way of your emotions.

Also, it isn’t like one owning a home, it is like one renting a home. The landlord was Britain, and the landlord can kick you out, or rent to whomever, because they own the land. So there is a flaw in your analogy there. The British took the land from the Ottoman Empire, not the Arabs.