Mill’s proscription that ‘the only purpose for which power can be rightfully exercised over any member of a civilised community, against his will, is to prevent harm to others’ has become almost axiomatic in bioethics. 1 Bolstered by the rise of patient autonomy during the mid-20th century, Millian conceptions of freedom have become so embedded in bioethical theory, that attempts to justify paternalism have typically involved making one of two claims. Either, they have involved refuting the significance of autonomy as (...) an ethical principle, and questioning whether it should always be taken to outweigh other ethical principles. Or, they have sought to cast doubt on the autonomous quality of specific decisions, challenging them as non-autonomous in some important way. Both approaches are readily apparent in discussions about the moral authority of advance directives, where people have questioned both whether precedent autonomy should always outweigh the person’s current best... (shrink)