With the SAT, there is nothing that intentionally restricts other people from performing equally well. It is an objective measure in that we know how it is calculated for every single student. We can audit the scores
With the "personality score" we have proof that the score was intentionally created to lower the chances of Asians getting through. Moreover there is no way to audit the scores of a particular student. They do not explain how a score is calculated. Moreover, Harvard alumni scored Asians on par with their other peers, meaning that the metric was created almost certainly to discriminate