Maybe it is time to remember that all this started in 1948, and ask ourselves what was the objective of the invasion from Egypt, Jordan, Syria and Lebanon? Was it to liberate Palestine or was it to carve up the Palestinian and Israeli territory among these invading states for their own benefit? Perhaps the treatment of Palestinians by these states since the war is a clue as to their motive.
This. The treatment of their own citizens is quite a clue as well.
It doesn't mean Israel has the right to do whatever it pleases. Let it be reminded Israel has, among a plethora of other illegal things, unlawfully annexed the whole of Jerusalem (and lawfully the whole of Manhattan)