It was either support Israel, or lose access to their weapons. I’m sure if Palestine was the oppressor with military superiority, he would support them. Of course, whether or not he personally supports Israel’s regime is unknown to us, but we do know he needs their weapons.
No I think it has more to do with US and EU positions. He will parrot their opinions because he wants to be seen as an ally. Add that to the support he’s already getting from that region and the answer is that he isn’t allowed a real opinion here