The following is an adapted excerpt from “Against the Vortex: Zardoz and Degrowth Utopias in the Seventies and Today” by Anthony Galluzzo, published this month by Zer0 Books. John Boorman’s 1974 film oddity “Zardoz” is now mostly remembered for star Sean Connery’s high-camp red-leather outfit and the eponymous flying stone head with which the movie opens. “The gun is good,” says the giant floating head. “The penis is evil. The penis shoots seeds and makes new life to poison the Earth with a