“What they tend to say is: we stand against antisemitism and all types of racism. As a mantra, this was heard again and again between 2015 and 2019, and continues to be in the ongoing arguments around Corbyn at the time of writing. It sounds good. It sounds right. But to these ears, the reflex need always to follow the phrase antisemitism with “and all types of racism” is the left’s All Lives Matter.”