Well, if the men would quit enbracing the cradle to grave socialistic welfare system, embrace capitalism, and get off their lazy butts and produce capital (and thusly, jobs!) then the women might come back.
< /feminist rant off >
Now, since the women are smart enough (just barely) to realize that they need to go where the jobs are, and are trying to better their position, why don't the guys do it also?
Oh, I'm sure they do. But as the article says, the women find getting a job easier than the men. Even if it's just a small difference, over time it will add up to a fairly large disparity.
Women have the time-honored MRS Degree option as well as its cousin, the World's Oldest Profession.
Even a mediocre-looking woman can flash some T & A and get some job that gets them stared at and requires breathing [apparatus]. In the conditions described, that option is only available for the really pretty boys (a tiny tiny %).