They will just accuse Zelensky, a Jew, of being a backstabber.

Indeed, and then consider that in the context of a CBS report that found only 30% of the weapons the west sends made it to the frontline. A whole bunch of the weapons that Ukraine was flooded with ended up on the black market and made their way into Europe. It's almost certain that Ukrainian nazis have established networks with the dpmestic ones in a whole bunch of countries at this point. It's not hard to imagine what sort of things they might be planning once the war is over.