[smorgusofborg]

Of course and there's no reason to refute this. The reason we got here is that the quantatative measures a Bank would use are biased by actual societal bias. This is a situation like asking why your ML became racist.

Letting a bank choose the interest rate based on your zip code would allow banks to predict which families will remain rich and that would be a self fulfilling continuation of current class distinctions in a system where they are allowed to do that.