“Palestinians” were the creation of Yasser Arafat (an Egyptian) and the KGB. Most of the inhumanity towards them has come from the Arab nations which will not allow those in the refugee camps to become citizens or do much of anything productive.
Mark Twain’s “Innocents Aboard” makes the point that there was almost no population in what is now Israel and that it was mostly sh@thole.
So, how do you explain that there is a Greek Orthodox Patriarchate of Jerusalem from around 33 AD until today?