> This guy claims no white men were getting in to graduate school (in 2021). I’ll look for a more credible source before I get too upset.

Your skepticism is right on the money. The undergraduate demographics for the Ivy League in 2023: https://archive.org/details/ivy_league

You'll notice that whites represent 30% of undergraduates [1], which is significantly more than 0, exactly as you suspected. Granted there is no gender breakdown, and it's about undergraduates, not graduates, but Occam's razor demands we assume the graduate situation is similar, unless shown evidence otherwise.

[1] Making them the most under-represented group, despite having near the best SAT scores.