Prometheus has been interpreted in so many ways, its mind boggling. And, Alien: Covenant will reveal more confusion, IMO, just look at what has been said about this movie:
There will be two more to follow this one, and it will be a Star Wars style connect with the original Alien (1979) in the end. Can't wait!Ridley Scott returns to the universe he created in ALIEN with ALIEN: COVENANT, the second chapter in a prequel trilogy that began with PROMETHEUS -- and connects directly to Scott’s 1979 seminal work of science fiction. Bound for a remote planet on the far side of the galaxy, the crew of the colony ship Covenant discovers what they think is an uncharted paradise, but is actually a dark, dangerous world -- whose sole inhabitant is the "synthetic" David (Michael Fassbender), survivor of the doomed Prometheus expedition.