Earlier quoted context omitted.
It didn't get shoe horned. Before college degrees proliferated, employers had entrance exams and were expected to train people. A supreme court decision found this to be racist. Companies could be held liable so most companies stopped that and demanded a 'fair' credential. Then everyone had to go to college
This one case isn't the full story, but I firmly believe that it is a big deal. See https://supreme.justia.com/cases/federal/us/401/424/ for the case. The problem is that any hiring test that blacks and whites pass at different rates, is presumed racist. Never mind that the real issue might be that the blacks went to worse schools and received a worse education. Never mind that there is a big body of research showing…
This might have been true when the United States was mostly white, and "minority" specifically referred to the black population who was mostly descended from slaves brought to the US mainland pre-1808, or to an even small number of native Americans. Today, when the US population is significantly more ethnically diverse, and "minority" just means "anyone nonwhite, regardless of where they came from or what their family history is", there's a lot more variation in exactly how ability to afford college correlates with ethnicity.