Someone could say that China also has the right to have its own Palestinians, although perhaps it would be more reasonable to approach it differently: in any normal country the population of the territory controlled by a State forms the citizenship, except in "our colonial project" (Jabotinsky)
Because Zionism is an ideology that establishes a brutal distinction between "a people (of lords)" and "the people of the land" ("am ha'eretz" in Hebrew) "people of the land" who must be subdued
The current American Empire has this same Biblical ideology, as all the previous Roman-judeochristian empires (the Portuguese, Spanish, French, British) that arise from the provinces of the Roman Empire