"The exact same argument could be made against enforcing other civil rights on campus (Title IX, racial discrimination, etc). If you receive federal funding, then you're a semi-public institution, and you don't get to violate the basic constitutional rights of your students.
As with every other Trump executive action that was met with a vapid unsolicited email by Zimmer, it seems he is trying to appease left-wing alumni after being outed as a Republican. Pure cowardice."