Studies show that it tends to create abusive relationships antithetical to family values. Co-wives who lose favor are pushed aside for new and often younger rivals; left to fend for themselves and their children with dwindling resources and support, they are exploited by emotionally detached husbands.

Advocates say the harms are not intrinsic to the practice; they do not support underage or coercive relationships. They challenge us to crack down on abuses in general, irrespective of marital model.

Polygamy might not be inherently evil, which is why we need purposeful debates. But unlike traditional marriage, it has never been effectively regulated and so people, especially women and children, have suffered. The real beauty of last summer’s ruling is that it not only opened the door for polygamy, it also established a framework.