Yes, they used Jews for banking and trade, but because usury was/is considered a sin according to Muslim and Christian faith. Remember how Jesus attacked the Pharisees for trading money at the entrance to the Holy Temple. It is practiced widely and encouraged in the Jewish faith. Implementing Jews to manage their money matters was a convenient backdoor entry into banking. They are and were better at it because they'd been doing it longer, more openly, but I doubt there was much trust there. People don't trust what they don't understand. I agree with you, but for different reasons.
Christians and Muslims. They wanted to trade, but they trusted Jews more than each other. Kebab took that advantage and become Jewish.
Yes, they used Jews for banking and trade, but because usury was/is considered a sin according to Muslim and Christian faith. Remember how Jesus attacked the Pharisees for trading money at the entrance to the Holy Temple. It is practiced widely and encouraged in the Jewish faith. Implementing Jews to manage their money matters was a convenient backdoor entry into banking. They are and were better at it because they'd been doing it longer, more openly, but I doubt there was much trust there. People don't trust what they don't understand. I agree with you, but for different reasons.