"In 1973, at the moment that her picture was being brought into the lab, there were hundreds if not thousands of women being pushed out,” said Marie Hicks, a historian of technology and author of Programmed Inequality.1 “All this happened for a reason. If they hadn’t used a Playboy centerfold, they almost certainly would have used another picture of a pretty white woman. The Playboy thing gets our attention, but really what it’s about is this world-building that’s gone on in computing from the beginning—it’s about building worlds for certain people and not for others."
This is the thesis of the article, if you don't want to waste your time reading through the banal padding of a story around it.