It's dual, but its positive aspects are only unlocked after a sufficient human blood sacrifice is made by its overlords, as is the case with all dual use tech.
No it's not. How does 3D printing; what blood sacrifice happened with 3d printers before they were unleashed upon the world? Hard to prove for encryption, though that one's antediluvian. Drones were around and toys for quite a while before they ever killed anyone.