That's not so bad even
Aka were a white man who went to the same church as them.
in this case, because that's a local direct connection as opposed to centralized.
The world works better when people help those closer in the society to them first. That's also how routing metrics work in computer networks. This might seem gibberish, but I had a less fuzzy explanation, just forgot it.
Ah. Evolution. Connections form dependency both ways. And there's always evolution in the society. It's in your interest that racists would mostly connect to other racists, while smarter people to other smarter people, and dumber people to other dumber people, for evolution to work. Except, of course, that should preserve some mobility between these groups so that smarter people born in not so smart environment could change it, again for social evolution.
It's important, somehow mostly talking about evolution in present time is attributed to fascists, while it can be seen everywhere.
In some sense who you are, who the person giving a loan is, and how that affects getting a loan is a predictive mechanism. It should work or fail for evolution.
Credit scores are a path around that similarly to Soviet planned economy being a path around markets, see how it worked that USSR, rich with resources beyond belief, had mostly poor and even malnourished population.