Good Samaritan laws and compelled testimony laws cannot be justified by the narrower anti-harming rationale, which only covers the party whose liberty is restricted

The harm principle itself is complex in several ways. Harm to others is not a sufficient ground for restricting liberty. Rather, it creates a pro tanto reason for restricting liberty. Determination of whether restrictions on harmful conduct are fully justified depends on balancing the evils of regulation against the harm to be prevented. Moreover, it is not clear if the harm principle justifies restricting liberty to prevent others from being harmed or only justifies restricting liberty to preve