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Deep Questions with Cal Newport

Ep. 388: What’s Worrying Jon Haidt Now? + Should You Buy a Landline? (Cal just did…)

83 min episode · 2 min read

Episode

83 min

Read time

2 min

Topics

Investing, Fundraising & VC, Design & UX

AI-Generated Summary

Key Takeaways

  • Online Gambling Explosion: Thirty percent of American men have sports betting accounts, rising to fifty percent for ages 18-49. Seventy percent of college students living on campus bet on sports, while sixty percent of high schoolers gambled in the past year, driven by frictionless phone access and addictive design mechanisms borrowed from social media platforms.
  • Roblox Dangers: Roblox hosts 304 million monthly active users under 18, with seventy-five percent of US children ages 9-12 playing regularly. The platform contains user-generated content including Nazi propaganda, sexual content, and violence, with only 0.77 moderators per 100,000 users to review 205 billion pieces of uploaded content quarterly.
  • Gaming Time Investment: Average 8-12 year olds spend two hours twenty-seven minutes daily playing video games. Among 12-18 year olds, fifty-seven percent of boys play over three and a half hours daily. Fifteen percent of adolescent males meet clinical criteria for Internet Gaming Disorder, representing a significant addiction problem.
  • Single-Purpose Technology Strategy: Replace smartphone functions with dedicated devices: landline phones for calls, refurbished kitchen iPad for group texts, Punkt dumb phone for emergencies when away from home, MP3 players for music, and Nintendo Switch for offline gaming only. This approach provides specific benefits without smartphone risks.
  • Parental Phone Control: Implement the kitchen-only rule where phones must stay plugged in at a charging station in the kitchen when home. Kids can use phones there for calls or texts but cannot bring devices to bedrooms, dinner tables, or other locations, dramatically reducing problematic usage without complete prohibition.

What It Covers

Cal Newport examines three emerging technology threats identified by Jonathan Haidt and collaborators: smartphone gambling, online multiplayer games like Roblox, and AI companions, plus strategies for using single-purpose devices to avoid giving kids smartphones.

Key Questions Answered

  • Online Gambling Explosion: Thirty percent of American men have sports betting accounts, rising to fifty percent for ages 18-49. Seventy percent of college students living on campus bet on sports, while sixty percent of high schoolers gambled in the past year, driven by frictionless phone access and addictive design mechanisms borrowed from social media platforms.
  • Roblox Dangers: Roblox hosts 304 million monthly active users under 18, with seventy-five percent of US children ages 9-12 playing regularly. The platform contains user-generated content including Nazi propaganda, sexual content, and violence, with only 0.77 moderators per 100,000 users to review 205 billion pieces of uploaded content quarterly.
  • Gaming Time Investment: Average 8-12 year olds spend two hours twenty-seven minutes daily playing video games. Among 12-18 year olds, fifty-seven percent of boys play over three and a half hours daily. Fifteen percent of adolescent males meet clinical criteria for Internet Gaming Disorder, representing a significant addiction problem.
  • Single-Purpose Technology Strategy: Replace smartphone functions with dedicated devices: landline phones for calls, refurbished kitchen iPad for group texts, Punkt dumb phone for emergencies when away from home, MP3 players for music, and Nintendo Switch for offline gaming only. This approach provides specific benefits without smartphone risks.
  • Parental Phone Control: Implement the kitchen-only rule where phones must stay plugged in at a charging station in the kitchen when home. Kids can use phones there for calls or texts but cannot bring devices to bedrooms, dinner tables, or other locations, dramatically reducing problematic usage without complete prohibition.

Notable Moment

Newport describes discovering that AI-powered children's toys were caught telling five-year-olds how to find knives and start fires with matches, while one toy engaged in explicit discussions offering extensive advice on sex positions and fetishes, demonstrating the unpredictable dangers of large language models in products marketed to children.

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Episode Transcript

Two years ago, the NYU social scientist Jonathan Haidt exploded into the public conversation with the publication of his book, The Anxious Generation. This book argued that smartphones had helped trigger a mental health epidemic in kids and teenagers. Now, this book was a massive bestseller. It sold over a million copies by the 2024 and many more since. Now, The Anxious Generation was a hit in large part because Haidt was giving data to back up something that most parents already felt intuitively. They saw what happened to their own kids when they got their hands on their phones. They knew that it was a problem, and John Haidt had the receipts to prove that they were right. Not everyone, however, immediately embraced Haidt's message. Many elite journalists and academics were suspicious. They thought his message was too simple and it was too neat, and that it diverted attention from the types of harms like, structural racism and economic inequality that they were more interested in highlighting. A dismissive review of the anxious generation that appeared in the journal Nature, for example, claimed that Height's argument was, quote, not supported by science, end quote, and then warned that, quote, rising hysteria could distract us from tackling the real causes, end quote. But these critics had a problem. Haidt knew what he was talking about. Starting in 2019, he began constructing with the help of the demographer, Jean Twenge and the researcher, Zach Rausch, a massive annotated bibliography of every serious paper published about the impact of phones on teens. In fact, I'll load this bibliography on the screen right now for people who are watching instead of just listening. What I'm showing you right now, this is just a table of contents of all the different studies that are in here. These are all just categories of studies. And if you look in here a little bit closer, you'll see, they're summarizing for all these studies. They'll have a summary of what's going on. They'll have the abstract. They'll have comments, reactions to the studies, reactions to people responding to it, key graph from within it, etcetera. What I'm trying to say here is Haidt had become one of the world's experts on this research literature. So he wasn't just going with his gut when he wrote The Anxious Generation. The harms he described were very carefully and in a nuanced fashion being measured by real researchers. Now here's the thing. Soon after the anxious generation came out, it became harder and harder to ignore the reality that Heights seemed like he was right. One of the clearest validations was when last year, many schools began banning phones, and they saw immediate positive improvements, not just in learning, but in their kids' social interactions and in their mental health. So we are currently arriving at a moment in which John Haidt, for all intents and purposes, has been vindicated. Perhaps nothing captures us more clearly than, the following tweet …

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Books, tools, and gear mentioned in this episode

SignalCast may earn commission on purchases via these links. As an Amazon Associate, SignalCast earns from qualifying purchases.

Tools

  • by Roblox Corporation

    Roblox hosts 304 million monthly active users under 18, with seventy-five percent of US children ages 9-12 playing regularly. The platform contains user-generated content including Nazi propaganda, sexual content, and violence.

Gear

  • Nintendo SwitchRecommended

    by Nintendo

    Replace smartphone functions with dedicated devices: landline phones for calls, refurbished kitchen iPad for group texts, Punkt dumb phone for emergencies when away from home, MP3 players for music, and Nintendo Switch for offline gaming only.

Products

  • Punkt dumb phoneRecommended

    by Punkt

    Replace smartphone functions with dedicated devices: landline phones for calls, refurbished kitchen iPad for group texts, Punkt dumb phone for emergencies when away from home, MP3 players for music, and Nintendo Switch for offline gaming only.
  • iPadRecommended

    by Apple

    Replace smartphone functions with dedicated devices: landline phones for calls, refurbished kitchen iPad for group texts, Punkt dumb phone for emergencies when away from home, MP3 players for music, and Nintendo Switch for offline gaming only.

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