"but if any peace agreement the Palestinians want involves forcing Jews to give up land that is historically theirs, which includes all of Gaza and the West Bank" Your statement is probably not based on facts. When having to guess I would expect average Palestinians whatever their religion to be more closely related to the people living in 700bc in Judea than diaspora Jews. I cannot see why the land is not also their land.
Palestinian man suffers light wounds from rocks thrown by Jewish men in Jerusalem (Haaretz)
from the article: Author David Grossman: Settlers abuse Palestinians