Fighters and coaches in mixed martial arts have propagated the popular conspiracy theory. The sport’s outsider origins may be to blame

There was anger on the streets of Huntington Beach.

At the intersection of Main Street and Pacific Coast Highway near the picturesque pier, hundreds gathered on 30 November in defiance of California’s coronavirus curfew, which prohibits all “non-essential work, movement and gatherings” between 10pm and 5am until 21 December across most of the state. The so-called “curfew breakers” protest brought together a collection of coronavirus truthers, anti-maskers, and those who remain convinced that Donald Trump won the 2020 presidential election.