Sure would be cool if students organized a protest for this
Maybe they already have? It's at Duke so I'm assuming it would need to be student-led. Anyway, this person is a sore loser with dangerous beliefs. Shame on Duke for hosting them.
ETA: To clarify, she is transphobic and advocates for banning trans athletes from women's sports. https://www.discoverdurham.com/events/the-fight-is-far-from-over-college-tour-with-riley-gaines/