Of course this is par for the course on American campuses.
Jewish students battle rising anti-Semitism on campus
Antisemitic Activity in 2015 at U.S. Colleges and Universities
With the Largest Jewish Undergraduate Populations
Anti-Semitism at My University, Hidden in Plain Sight
Anti-Semitism spikes on U.S. campuses
Just Google anti semitism on campus
The modern campus in America - or Canada, England, Germany, etc. - is the epicenter of the modern Liberal/Left. Yet this is where the most virulent antisemitism is practiced. The Liberal/Left has adopted a new pet: Islamic fundamentalists. And since Jews and Muslims are as compatible as oil and water the Left has decided to go full Jihad against the Jews.
When you do that you give a wink and a nod to everyone out there who has a screw loose and who decides that shunning, marching, shouting and holding placards is not enough, and decides that bomb threats, desecration of Jewish cemeteries and physical violence is the REAL answer.
That's how you get Juan Thompson.