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The two young men who attacked the Islamic Center of San Diego, killing three people and terrorizing an entire community, were overflowing with hate. The manifesto they left behind teems with bigotry; there are sections for Muslims and Black people, South Americans and LGBTQ people (although they use different terms), the political left and the right.

“They didn’t discriminate on who they hated,” Mark Remer, the FBI special agent in charge, told reporters last week. “It covered a wide aspect of races and religions.”

It’s true that the manifesto covers many different races and religions. But the men zeroed in on two groups with particular rage: Jews and women.

This may seem odd, given that the men attacked a mosque. And make no mistake, despite the men claiming in their manifesto that they didn’t hate Muslims, they were clear that they do hate Islam and they hate Muslim immigrants. And they were happy to slaughter them if it meant accelerating the white Christian war on everyone else. It’s notable, though, that the men characterized Muslims primarily as “bioweapons” of Jews (although the men used a slur in place of “Jews”). The central idea of the manifesto is one that will sound familiar to anyone who has even loosely read up on Great Replacement theory: White Westerners are being replaced with Black and brown outsiders in a nefarious plot to destroy Western civilization, and Jews are the all-powerful evildoers behind this plot.

But there’s one aspect of Great Replacement theory—and of general reactionary right-wing violence—that rarely gets the attention it deserves: These men believe women are at fault, too.

More than a decade ago, the word “incel” came into the popular lexicon via murderer Elliot........

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