There was a shift from joint family to smaller and single family in the late 70s and 80s of last century. Now this past two decades or so, men and women going after careers at the expense of family, is causing lots of issues: for folks with kids, no role models to look up to and no genuine connections with parents. For folks without kids, tough to get one and if they get it they get it at an older age with lots of complications, and this is being seen in drop of birth rate in many countries around the world.
One more theory is that being surrounded by all gadgets through the day, all emanating EM waves, does cause issues in reproduction, just like the way Mobile towers killed the entire Sparrow population in cities.
With media offering viewers with all sorts and combinations of relationships possible, this is destroying the very foundation of a nurturing strong family. Global exposure kills local healthy culture and cuisines, and this adds to the confusion. This breeds strong individualism in the guise of personal freedom, that leads to a generation without any meaningful connection to any relationships and being disassociated with any worthwhile community, thus leading to more isolation, added to the addiction of social media that keeps one aloof by design.
So proper parenthood is becoming a challenge. 30 and 40 something facing serious health issues and with technology moving at a much faster pace, facing hopelessness as well. Not sure where this is leading us as a whole but something we need to address properly and sensitively.