Sigh.
OP's logical fallacy is cherry picking.
University enrollments are down across the board, at every university,. not just the political cherries you picked here.
As enrollment decline continues, the anxiety of college admissions officers and presidents builds.
www.jamesgmartin.center
College enrollment in the U.S. has decreased for the eighth consecutive year, according to new data released Thursday by the National Student Clearinghouse Research Center. The report covers 97 percent of enrollments at degree-granting postsecondary institutions that are eligible to receive...
www.insidehighered.com
Overall college enrollment in spring, 2019 decreased by 1.7%, or about 300,000 students. This decrease is the latest in several consecutive years of declines. The for-profit sector and two-year colleges saw the largest drops, and the decline in liberal arts enrollments continues.
www.forbes.com
"University and college enrollment has fallen nearly 9 percent since 2011, according to the National Student Clearinghouse"
Now, let's look at your graphs from the cherries your ridiculous source picked?
Oh, look, a roughly 10% decrease since 2011.
Stop reading Quillette. It's a joke and look how stupid they made you look.