That is wrong to say Arabs never call themselves Palestinian.
But Palestine is the greater region, and Arabs tend to think of themselves tied to a smaller region.
So it depends on if the Arabs are Canaanites, Chaldeans, Akkadians, Philistines, Phoenicians, Amorites, Edomites, Urites, etc.
And your map is out of date.
Originally Trans Jordan included Jordan and Palestine, but during the negotiations with all the parties, at the Treaty of San Remo and Treaty of Sevres, Trans Jordan was split into Palestine and Jordan, with different immigration rules.
Again, it was not a list of Jews, but the International Zionist Congress at Carlsbad who agreed to take no part in the government of Palestine.
^^^^ j ! Zionist Conference in Carlsbad f 4 * * VCarlsbad , Aug . 28 ( J . T . A . )—The first annual Conference of about 100 Ziontist delegates from many lands since the approval of the Palestine Ma
www.nli.org.il
And obviously Arabs owned all of Palestine.
The Ottoman ruled Palestine but did not own the properties.
Biden rules the US, but that does not give him property ownership.
If the Ottoman tried to claim property ownership, nothing would have been built and the country would have ended up in total disarray.
Never has an invading force claimed property ownership unless the goal was genocide.
Tens of thousands of Arabs fought along with Lawrence of Arabia, and they won.
The Jews did not fight in WWI at all, so are owed nothing.