It's just gambling, regulate it
Most commenters see Kalshi and Polymarket as sports betting dressed up as futures markets, with predatory ads, addiction harms and Trump-family ties that suggest regulatory capture.
Federal preemption versus state rights
A long legal debate over whether the CFTC and the Commerce Clause preempt state gambling law, with commenters noting the circuit split and expecting the Supreme Court to settle it.
Consenting adults, keep government out
A minority argues voluntary transactions shouldn't be banned and compares the approach to the failed drug war, while others defend prediction markets' calibration and hedging value.