You have to admire a horror movie that believes the fastest route to profundity is simply pointing at the bleakest possible subject matter imaginable like miscarriages and dead babies and waiting for the audience to call it “elevated.” Truly auteur stuff. Then there’s the religious angle, which is deployed with the subtlety of a freshman film student discovering symbolism for the first time. The movie keeps acting like the presence of a cross or a saint’s face is inherently chilling,…