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In May 2018, the U.S. Supreme Court struck down the Professional and Amateur Sports Protection Act (PASPA) in Murphy v. NCAA, ruling 6-3 that the federal ban on state-authorized sports betting violated the Tenth Amendment. Within 18 months, 20 states had legalized sports wagering. By 2025, 38 states plus Washington D.C. permitted it, and Americans wagered over $120 billion annually—up from essentially zero legal dollars seven years earlier. The speed of normalization was breathtaking. DraftKings and FanDuel spent a combined $1.2 billion on advertising in 2023 alone, plastering odds overlays onto every NFL broadcast. ESPN launched ESPN BET. Fox Sports created Fox Bet. The phrase 'the spread' moved from back-room bookmaker jargon to dinner-table conversation. Parlays became TikTok content...
Popular framing: States legalized betting and now too many young men are addicted.
Structural analysis: Every actor — states for tax revenue, media for ads, leagues for partnerships, platforms for users — has aligned incentives that fund more advertising, which shifts the Overton window, which normalizes betting further. A reinforcing loop where each participant is locally rational produces a public-health externality nobody owns.
The popular framing treats normalization as a revealed preference (people wanted this) rather than an engineered outcome (preferences were constructed through massive coordinated investment). This gap matters because it shapes the policy response: if normalization is natural, harm is an individual responsibility problem requiring education; if normalization is manufactured, harm is a structural problem requiring industry constraint. The Overton Window shifted not because attitudes changed independently, but because the availability cascade made betting feel inevitable before citizens or legislators could form considered views.
