The article linked says, "that differing levels of interest in monogamy for our own species are also partly a matter of biology". I meant to infer the same thing and am sorry if I did not. I believe that both biology[3] and society in part play a role on our views.
When you mean monogamy do you mean sexually exclusive or socially monogamous? There is some evidence to suggest the later more than the former. [0] And some counter arguments. [1]
[0] Barber, Nigel "Monogamy is social - not sexual" ~ http://www.psychologytoday.com/blog/the-human-beast/201007/m...
[1] Johnson, Sue "Monogamy: are we - can we be - monogamous?" ~ http://www.psychologytoday.com/blog/hold-me-tight/201003/mon...