For reference from the clearinghouse thread:
His conclusion, based largely on Peterson’s opposition to the legal institution of divorce (esp. no-fault divorce) combined with his other views:
You and I likely use the word monogamy to mean “only 2 partners in a relationship”. That usage of the word allows for the possibility of having more than one relationship in your life time. I don’t think Peterson is using it that way. I think he’s using it in the way biologists use it to categorize the behavior of different species. Which is to say “only one relationship for life”.
[…]
what he’s actually advocating when he says we need “enforced monogamy” is that he thinks we need social norms that discourage people from having more than one romantic relationship ever.
[…]
As many have pointed out, it’s unclear how socially discouraging promiscuity and infidelity would benefit incels, since it’s not like women are going to suddenly want to be with them
He’s pointed out plenty of times that most divorces are instigated by the woman. When he says divorce laws shouldn’t have been liberalized, and that somehow this will help sexless men, he’s saying “it should be harder by law for women to be allowed to leave marriages they don’t want to be in” and that socially we shouldn’t permit women to leave any relationship they don’t want to be in
