Most reasonable people would agree that meth-fueled orgies are a bad thing, and that having sex with groups of strangers for days on end should be discouraged. Yet some “harm reduction” advocates have suggested that these orgies should be tolerated, perhaps even celebrated. This demonstrates that the harm-reduction movement is more interested in normalizing drug use than mitigating its negative consequences. Meth-fueled orgies emerged as a policy issue in the mid-2010s, following the popularization of so-called “chemsex” (also known as “party and play” or “PnP”) within the gay community. The term refers to having sex while under the influence of...