> affirmative action has been mostly wound down, which began to happen when Obama was President.

It was so wound down that 6 years after Obama left office, whites were 0.54x under-represented in the Ivy League, despite having SAT scores close to the groups that were ~5x over-represented: https://archive.org/details/ivy_league/

An expected outcome of still having explicit affirmative action hiring/admission criteria in 2025: https://www.city-journal.org/article/harvard-university-disc...