Black and hispanic students benefit from preferential admissions standards to medical, law, business and other graduate schools that can lead to higher salaries and higher social standing than computer programming.
Consider the extreme case of black students and medical school:
Black students who are competitive candidates for software engineering at top tech companies could (probably all) choose to study medicine and, very possibly, be admitted to specialist residency programs.
Average specialist pay is $284,000. Average primary care pay is $195,000.