Excuse me I don't recall the Palestinians being asked if they wanted the Zionist Jews coming to their land in the first place. This was an idea foisted on them by the European powers, of the time.
As for your idea, "To the victor go the spoils", Why didn't we ship all the Japanese off to their blood relatives in China and take over their land? Because its a stupid idea and would have precipitated another war. This punitive, idiotic thinking also helped bring on WWII. But I guess Israel just can't learn from history.
The Jews have been there for as long as the Muslims have - longer, in fact.
Japan
Apples and Oranges. If North Dakota were Japanese & they attacked us from there, I guarantee we would annex it.
-bc