The metric isn't 0, the metric is reducing it to an acceptable level from a public policy perspective.
Teen pregnancy is a metric, but not a good one if people demonstrate the same irresponsible behavior (meaning, not using contraception out of wedlock) after age 20.
Children born to unmarried parents peaked in 2010 at 50%. It still hovers at 40-45%. Only 44% of millenials are married, and that's based on the incorrect definition where the youngest are 30 and not 22. And as
@Gatordev aptly summarized, it absolutely is a national security / survival concern that we are only having 1.6 children per household when we need to be having 2.1 (and ideally 2.5).
Both men and women should have 'societal pressure to marry and start a family.' It's a core function of life, and necessary to continue the survival humanity. That's the point - that feminism has demonized this.
There is a happy medium between saying women should have equal rights and opportunities, like being able to open a bank account and compete for any job open to men without regard to gender, and completely rejecting gender roles. Women relied on men to provide income for the household... but men relied on women to manage that household (including the budget oftentimes) and provide nurturing support for them and their children. Say that out loud in a feminist 'space' and that will get you tarred and feathered.
Meanwhile,
very few women are tolerant of stay at home dads and the vast majority do not date / marry lower income earners.
The paradox about 'feminism' is the complete rejection of being a woman instead of empowering it. That is making a lot of young men 'nope' out of long-term relationships.
Children born to married parents have significantly better academic and professional outcomes, on average. There is also a wide chasm between 'encourage' and 'force.'
And, anecdotally, a lot of officer wives stop working after a couple of PCS's / giving birth because officers make enough to support the household on a single income. Statistically, mil officers have a lower divorce rate than the general population.
And I have seen my spouse many times encounter that 'ew, you don't work' face from other women when we had 3 toddlers running around and had to have the 'look, she made a decision based on what she felt was best for the family' talk with my mom to get her stop the pointed questions about 'so when are you going back to work?' 5 minutes after walking in the door.
Um, okay... I don't think Mike Huckabee is commenting in this thread, so simmer down now.