What's the difference between Jews  money? I'd actually care if i lost six million dollars.
Do you think it's because their faith requires them to be thrifty and hardworking?
No. It is because they think they are privileged and special.
All ethnicities have the capacity to be greedy. We are human and can become greedy and ethnic origin doesn't matter in that case. It's not right to say that a certain ethnicity is more prone to being greedy because we are all the same.