Historically isn't the issue. The issue is a simple factual question of whether, all else held equal, black people repay their loans at the same rate as whites in identical financial circumstances. The fact that in aggregate financial circumstances might be different isn't important to this question.
If they do, then you don't need to worry about algorithms discriminating. Insofar as they do it's merely a sampling error (i.e. shrinks like O(1/sqrt(N)), where N = Nwhite + Nblack) and they are just as likely to discriminate in favor as against.
If they don't, then you subscribe to scientific racism, or the belief that blacks and whites in identical circumstances behave fundamentally differently.
(I describe these different cases in explicit detail here: https://www.chrisstucchio.com/blog/2016/alien_intelligences_... )
So do you believe race affects reality independent of other factors? And assuming you do subscribe to scientific racism, what should we do about it?
