A huge sociological aspect you’re missing is the increased loneliness and less social cohesion. Families have gotten smaller and people move around more. Lots of communication has moved online. That means the immediate social network people are embedded in is smaller to nonexistent compared to the past. The stability of bigger families, closer knit local communities, and more face to face interactions is often missing nowadays.
Friends will often leave people with mental health issues, leading to increased loneliness, and even worse mental health. A present larger family or religious community would still be there for such a person.
I’m not saying we have to go back to some perfect past, but recognize what we lost in modern society.
Yeah, I wouldn’t underestimate the impact internet culture has had on this stat. A subset of young people have done so little socializing in real life that they feel intense anxiety about it and spend most of their free time alone with their devices. This can lead to failure in education, employment, and relationships. I say this because I know some of them