I believe this is related to why children and younger adults tend to be so screwed up these days, and by extension, society over all. I think it started with the children of the 'baby-boomers', and has really picked up steam.
When I was in high school during the 90s, I knew ONE person that still had both of their original parents married and living together. Right now, I'm the only person I know out of all of the people I knew and went to school with that is still married to the same person with our children. My wife and I married very young, and were COMMITTED to giving to our children(when we eventually had them) that which we never had....A functional family.
People are so morally bankrupt. Seems every week I'm hearing of married people engaging in infidelity, and families breaking up because of it. Not only are they betraying their spouse, but their children as well. It isn't only the men either. If anything, from my observation, women are every bit as bad if not worse. It disgusts me how people can make such a permanent mistake that will breakup their families and affect their children forever, all because of some physical attraction or sexual adventurism.
When I was in small town, fly over country high school in the 70s, few came from divorced parents. It wasn't that common on television or in the movies, either.
So, it's happened fairly quickly, reminding me of Reagan's warning about loss being a generation away and that warning being applicable to many things and not just the loss of American freedom and love of liberty.
I remember from high school the motivation that each graduating class had to outdo the previous graduating class, to take things, all things, a bit farther.
I remember the same sort of feeling in music from the 60s to the 70s to the 80s, but then I sorta quit paying attention. Other entertainment seems to be the same way.
Most things tend to run in cycles. When they get too far in one direction, the natural built in corrections make us change direction and get back on course. The cycle repeats over and over again.
Otoh, if the cycle peaks too high or the oscillations become too extreme, things come apart.
Perhaps our situation a natural course of human development, but with so many built in corrective mechanisms disconnected or worked around and history's lessons ignored, it's hard not to suspect we're being pushed to the latter.