I understand where you’re coming from since it is literally true, but fails to account for context. Consider a marathon in which half the participants were given 10 pound weights on each leg. Halfway through the race, the judges ruled those participants shouldn’t have weights on. Is the race now fair, since everyone is being treated equally? Of course not - they were immensely disadvantaged from the outset, so the only way to try to approach some level of fairness is to give them advantages to make up for their initial handicap. In theory, AA is meant to be corrective action to restore equity, at which point it can be dropped because it’s no longer necessary. AA isn’t perfect and really needed to be replaced with less of a bandaid solution, but it was better than nothing which we now have.

Incidentally, this is also why “race blindness” is considered a bad thing in social justice. In theory it would be ideal that you don’t treat people differently, but in practice it means ignoring their disadvantages.