From Time

excerpts.

Of course, this doesn't mean people weren't not-all-menning it up before 2013. As early as 1985, author Joanna Russ expressed a familiar weariness in her feminist love story On Strike Against God:

…that not all men make more money than all women, only most; that not all men are rapists, only some; that not all men are promiscuous killers, only some; that not all men control Congress, the Presidency, the police, the army, industry, agriculture, law, science, medicine, architecture, and local government, only some.

The commenters are already mansplaining (only 2 but hey)