That’s probably true, and for that matter, even if you imagine a truly colorblind society exists for the next 100 years, it seems likely that inherited wealth and privilege would still be passed down.
Having said that, AA was not a very good remedy. It laser focused on only one thing, sometimes disregarding a clear reality. In an extreme example, if you took someone like David Steward’s kids, they would benefit from affirmative action despite being born to a billionaire.
Keep in mind, colleges and universities can still provide all the advantages they want based on other signals. Good ones might be family income and first-generation college students.
Whether the balloon worked or not, they’re likely to want to say it didn’t work. What are they going to do, confirm that a foreign espionage worked?