The same women telling prettier women to chop their hair off or dye it green out of jealousy and spite.
Study: [Off with her hair: Intrasexually competitive women advise other women to cut off more hair](https://www.sciencedirect.com/science/article/pii/S019188692300329X)
According to Wikipedia she's Jewish with two kids so not far off. Her selected works also include "Marx, Freud, Einstein, Heroes of the mind" and "No kids, 40 reasons not to have children". Can't make this shit up.