On Oct. 7, Hamas terrorists invaded southern Israel, murdered approximately 1,200 people and abducted more than 240 others. One of those kidnapped was my 35-year-old son, Sagui, who lived on Nir Oz, the kibbutz I’ve called home for most of my adult life and which was destroyed during the attack. Sagui is among the 120 hostages still held by Hamas. That horrific day and the devastation of Gaza caused by Israel’s military response have led to countless references to the Holocaust and related terms: genocide, Nazis, pogroms. Some of Israel’s opponents have loosely and irresponsibly accused Israel of genocide against...