Past that, more and more of them are looking to marry sooner rather than later, which I believe bucks the current trend.
I know that the story isn't new: college grades move to large cities for jobs and exciting opportunities, but these friends are young! Plus, we are witnessing our siblings who are about to leave college balk at the idea of paying rent in large cities (NYC, SF, Chicago, Austin, et al) and are looking more fondly at smaller, more affordable cities.
Relative to the article, I know tons of girls who are cooling to the idea of 'girlbossing,'[0] and are instead become more interested in raising a family/being a homemaker.
Anecdotal this, of course.
[0] I don't mean this in a derogatory sense. Just had lots of girl friends in college who were determined to enter the corporate workforce and become leadership/executives/etc and used the term. Most of them are now starting families (at 25!)