You're overthinking this. The university is vocal about keeping its independence. That's enough to warrant retaliation from this president.
I'm reminded of the infamous George Carlin bit "It's a big club, and you ain’t in it"[1]. Maybe not anymore... and that's a most likely a good thing.
[1] https://www.goodreads.com/quotes/964648-but-there-s-a-reason...
It is like getting Zuck to kneel and donate $1M. Once he did that, everyone else donated a $1M and peaced out.