Jonathan Haidt
Argues the rewiring of childhood around smartphones drove a youth mental health crisis, and proposes four norms: no smartphones before high school, no social media before 16, phone-free schools, more independent play.
Play-based childhood gave way to phone-based childhood.
Summary and evidence check →
The criticism: Reviewing it in Nature, the psychologist Candice Odgers argues the evidence it relies on is mostly correlational and does not show that social media caused the rise in adolescent mental illness. Candice Odgers, Nature (2024)