They were bankers. If most were Jewish, that's interesting, but by itself its no different than pointing out that most wore shoes and wore tophats. If there's a part of Judaism which tells them to steal, corrupt politics, use unfair weights and measurements, etc., then point it out. That would be consistent with the argument and useful to know. I see someone else responded, but I can't see the comment... If this was redundant - oops
Look no further than their Talmud.
Kicked out of 109 countries for good behavior? http://blossom.poster.place/c7f9fa5466699e7b65934b90cd43395ac49fa04b75599b7a0a498bd01683c5ac.jpeg
https://image.nostr.build/4e3b83c47c42a1629d21fffb01d13cc5829ceeafb4b0b3d00a1d7472528aea16.jpg