Encouraged doxxing of Harvard students for signing a letter holding Israel accountable for the violence following October 7. The letter contains zero anti-semitic language; it criticizes the state of Israel (not Jewish people) and the subjugation of Palestinians under apartheid, forced displacement, and ethnic cleansing.

Told CNN: "'Villains cannot be celebrated as heroes,' Sonnenfeld said in an email. 'Anyone who does so cannot hide as cowards behind the shields of association titles any more than Nazi stormtroopers were allowed anonymity. Our society is founded on personal accountability.'"

Praises institutions that "condemn Hamas."