You’re talking about in the past they were part of those countries. It’s not true now. It hasn’t been true for a very long time now.
The areas of Samaria, Judea, and Gaza are all in the sovereign “control” of Israel, but not in the nation of Israel, but only as occupied territories, until the status of the land is settled. So, at this point, they are “stateless”, not having a country that they can go to.
Those that were once of Jordan can’t live there any longer. Those who were once of Egypt can’t live there any longer.
I think these people may be the only “stateless” people in the world (perhaps there are others, but I don’t know about them...).
They wouldn’t be the first. I would rhetorically ask why their Muslinm Arab brethren have done very little for them in terms of humanitarian items. the other Arabs though, have helped with the bomb belts and such..
Only an act of God will solve this mess..