Unless they luck out and find themselves amidst a housing bubble circa 2006 where everyone and their brother is employed in constructing real estate, investing in real estateo, transacting in real estate on commission basis, underwriting mortgages for real estate or pitching dubious mortgages for others to buy real estate, there's not a lot of opportunities for under-educated males nowadays.
There are many many things wrong with the article (elementary mistakes that a Harvard economist should not have made), but considering that it is basically a puff piece for his book, I'm not surprised in the slightest.
The article is typical WSJ garbage, gets cause and effect confused, makes comical, out-of-touch assumptions and, as usual, places the burden and fault on NEETs.