My own anecdotal experience says that not all the dropouts are, by typical definitions, unskilled. It’s a lot more complicated than that, and I believe it is closely connected to psychological factors such as susceptibility to anxiety and depression.
Yes, I agree. Strangely enough, I think outlawing polygamy is probably one of the most profoundly powerful cultural technologies humans have ever invented.
So putting this back together with the article, the author is showing how unskilled men are dropping out of the social contract. Because, for them, the opportunities for breadwinning are harder to find.