alt Hacker NewsMaybe because most of them were born there and also their parents and grandparents?
That is called birthright and the way I see it, it applies to both groups. And the conflict will never be solved (without large scale genocide), if both groups largely negate the other groups rights.
You're right, expelling Israelis from Palestine would be a crime exactly as it's been a crime expelling Palestinians. While I believe that Jews had no right in the first place to immigrate there, this doesn't change the status of their descendants who are born there and whose families are born there.
But let's be clear on this: Jews that are not currently in Israel have no right to immigrate there. Jews that are in Israel have no right on any part of the land that isn't already part of Israel proper; and finally, Jews (exactly as much as Palestinians do) have a right to life, property and safety but not necessarily to their own political entity.