Plenty of poly people concede the couple works for others. But as a compulsory reality, they say, it is dated as well as the source of much pain and discontent, because it is predicated on and promulgates limited, limiting old think: that women are the property of men; that we “evolved” to be pair-bonded; that refusing sexual exclusivity is sinful or simply bad for society, a gateway drug that leads to other forms of corruption that compromise the very foundation of our culture.