"Here we have senior representatives of a powerful and unconscionably rich industry – plus their supporters and colleagues in elite research labs across the world – who are on the one hand mesmerised by the technical challenges of building a technology that they believe might be an , while at the same time calling for governments to regulate it. But the thought that never seems to enter what might be called their minds is the question that any child would ask: if it is so dangerous, why do you continue to build it? Why not stop and do something else? Or at the very least, stop releasing these products into the wild?"