"In the second instance, allowing science to enclose swathes of policy debate gives scientists (and other expertly people) a great deal of political and moral power over our lives. To reiterate, “enclosing” does not imply that a specific group of scientific individuals are put in charge of policy. SAGE is – and was – principally an advisory body. Rather, it means that working within a particular scientific cosmology is the price of entry to serious policy discussion.<p>However, in practice, this means that scientists and credentialed people de facto enjoy greater influence over the shape of policy than laymen, thus giving the former a hierarchical power over the latter that threatens the strictures of robustness. Laymen will never find it as easy as credentialed scientists to position themselves within a scientific cosmology and so will never be taken as seriously in enclosed policy debates. "