Disappointed? Nah. It's a given of human selfishness. Beyond devastated? Beyond heartbroken? Positively boiling with OUTRAGE? Yes, yes and YES! We should have been united in solidarity to never let these unspeakable betrayals come to pass.
Pro-Israel Zionist / Far-right fraternization may be surprising to some, as their factions' "public image" apparently insists they violently despise each other. However, their fascist dystopian ideology is pretty much one and the same. Domination and oppression by any and all means necessary.