They lost control on their golems
(media.scored.co)
They actually are Satanists though, their religion is based on a rejection of Jesus Christ and Kabbala is literally occult witchcraft. Technically it would be more appropriate to call them Satanists since the actual Jews are long dead, but because the jewish identity they have shape-shifted into is central to their decieving of the masses, they cannot afford it to be called out or worse, called into question.