The only thing that humans are afraid of is losing their unique standing in this world. What possesses cognitive thought and the ability to speak? We do. Nobody else, and by creating this hybrid it might create the possibility of another being similar to ourselves. What does this say about God? It basically says that these things weren't specifically made for us which might bring about the question if God is a real concept. In conclusion, this isn't about Ethics, it's about pride and the infallibility of God.
