Florida served as the national laboratory for anti-mandate politics during the COVID era. DeSantis's legislative record — spanning four major laws restricting public health authority, employer mandates, and school mask requirements — gave the state a clear brand identity among Republican primary voters. That brand reached peak salience in 2021, with nearly half of Florida Republican voters naming it as a top-three concern. The 2022 reelection landslide of +19.4 points appeared to validate the strategy nationally.

The reversal was structural, not cyclical. RFK Jr.'s MAHA coalition absorbed the national movement's political energy into a federal frame. Policy victories at the state level removed active grievances to campaign on. And Florida's dual economic crises — the property insurance market's near-collapse and sustained inflation — gave suburban swing voters an entirely different priority set heading into 2026. No competitive candidate in any of the six identified toss-up or lean-competitive seats is leading with anti-mandate messaging. The wave crested, broke, and receded — leaving only the data trail of where it went.