Its is a national/religious conflict, not an ethnic one. Israel is a theocratic state that has been established and re-established after conquered in the same location multiple times over the course of millennia. The mandate of Palestine is a distinct of British colonial rule.
The occupants of...
Regular infantry are what win you a war, every other unit exists for the poximate purpose of movine agound infantry, forward, backwards, out of danger or into the after life, but they are all at loose ends if you don't have infantry.
Yeah, anyone could tell that would be the result due to the political choices made during the occupation. Anti-colonialism makes you loose wars even when you see the enemy defeated in every battle.