Emerald Fennell’s acclaim as a filmmaker is much bigger than the substance of her films. Having been the showrunner of the second season of “Killing Eve,” Ms. Fennell broke out with “Promising Young Woman.” That wretched film essentially turned rape revenge into the cinematic equivalence of a moralizing essay you’d read on Jezebel — may that website rest in peace should current efforts at a resurrection fail. Nevertheless, she won the Oscar for Best Original Screenplay and, for better or worse, embodied an image of “girlboss cinema.”