The scenario I most agree with involves 1 person out of the thousands that applied did not think too much about their SAT score and sent it anyway. There’s tons of possiblilities but my brain zeroed in on this: This someone did not apply TO-- and UChicago was a super reach - but got in because their essays and their story was super convincing. Perhaps they are one of those “pointy” applicants who have done a lot of work with a famous mentor in something like Aramaic, Akkadian or Middle Kingdom Egyptian.
Remember it only takes 1 out of ten thousands of applicants to get “lucky”