Remember the Large Hadron Collider? People sued to stop it, claiming it could create a black hole and swallow Earth. The risk wasn't literally zero, so by your logic it should have been banned. But physicists calculated the odds, added safeguards, and let it run, and we gained knowledge we couldn't get any other way. That's how mature societies handle risk: assess, reduce, monitor. Your one-in-a-million child example sounds powerful, but we already accept tiny risks for huge benefits every day, with vaccines, flying, and even crossing the street. A complete ban just guarantees we face tomorrow's climate crisis completely blind.