but also, you have to distinguish from "society has separately become anti-child"
which also did happen through the nineties and 2000s before social media, but how would you measure the effects of each on their own?
As is common in social science, it's really challenging to disentangle this kind of thing. But there are ways you can get at it.
One clever example discussed in the blog I linked:
> We also found five studies that used a similar design applied to the rollout of high-speed internet. It’s hard to have a phone-based childhood when data speeds are very low. So what happened in Spain as fiber optic cables were laid and high-speed internet came to different regions at different times?
https://www.afterbabel.com/p/social-media-mental-illness-epi...