Parental responsibility is a duty, not a right. Society trusts parents to act in the interests of their child but does not do so unreservedly. Where those actions lead directly to a provable harm, we consider it either neglect or abuse of the child and the parental privileges are revoked. No matter how earnestly the parent may believe it is in the child’s best interest, they may not send them out to work in injurious conditions, they may not allow or encourage them to engage in sexual conduct, they may not allow them to use armaments or certain drugs before a certain age. Because these things cause harm to the child and that is a breach of the duty of care entrusted to the parent by wider society. The same is true of denying them medical treatment.