Fair enough. That's your choice. However, you are essentially admitting that you're prepared to overlook horrific behaviours by all of those parties because you see that as the best way to play Realpolitik.
In other words: no-one gets to play the white hat here. There are no good guys and everyone's dirty as hell. Given which, moral posturing about us, the US or Israel being in bed with Saudi just won't stand up, I'm afraid.