The issues they debate hardly lack spiritual resonance (why did the Engineers make us, and who made them?), but they're debated so schematically, and punched up so opportunistically (Shaw is sterile, unable to create life herself) that the story seems to have been bolted together by engineering apprentices.
WSJ: Prometheus, Madagascar 3, Peace, Love & Misunderstanding | Stunning Space, Careless Craft | Film Reviews by Joe Morgenstern