
Deep Questions with Cal Newport Ep. 388: What’s Worrying Jon Haidt Now? + Should You Buy a Landline? (Cal just did…)
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Jan 19, 2026 Jonathan Haidt raises alarms about the increasing harms of gambling apps and multiplayer games, emphasizing the addictive nature of their design. He warns against children using AI companions, pointing out their unpredictability and potential dangers. Cal shares his quirky family tech strategy, including using a landline and single-purpose devices to shield kids from smartphones. The discussion also explores the impact of heavy gaming on mental health and academic performance, urging parents to take a cautious approach with new technologies.
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Haidt's Phone Research Changed The Debate
- Jonathan Haidt's research on smartphones and teens was evidence-driven and influential.
- His work helped shift schools and public opinion toward phone restrictions for students.
Smartphones Turned Gambling Frictionless
- Online gambling has become frictionless and massively more accessible via smartphones.
- This accessibility plus addictive design has driven dramatic increases in youth gambling.
Don't Gamble Online
- Avoid online gambling entirely and recognize the house advantage.
- Regulators should ban casino-style online games and add guardrails for sports betting.










