Or an immigrant. Or a woman (especially if you’re pregnant). Or if you lived near black people or immigrants. Or if you had long hair. Or maybe the local bank manager just didn’t like you. These were all acceptable reasons to deny your loan application prior to credit scores.
They literally made decisions based on things you can’t control. Banks are now legally prohibited from even asking these things. If you notice, people working at a bank will never ask “where are you from?”