A single individual with little knowledge but a deep sense of grievance stumbles into an obscure online forum where others of similar ignorance congregate, exchanging half-baked theories and reckless notions that flatter their biases. What begins as a haven for a handful of people sharing stupid and dangerous ideas soon transforms into a self-reinforcing echo chamber, where dissent is punished, and outrageous claims are rewarded with affirmation and attention. Over time, the stupidity develops into a kind of shared mythology, with memes, slogans, and simplified narratives that make complex issues appear obvious and urgent to the uncritical. As more people—isolated, frustrated, or simply gullible—are drawn in through algorithms and online recommendation systems, the forum grows in both size and influence, spilling its rhetoric across social media, comment sections, and eventually into mainstream discourse. At a certain point, sheer repetition grants these absurd ideas a veneer of legitimacy, attracting opportunistic leaders who capitalise on the movement, giving it a pseudo-political edge. Offline, this manifests in protests, harassment campaigns, and even acts of violence, as members translate online bravado into real-world action, emboldened by the sense that they are part of a worldwide cause. Institutions struggle to respond: censoring the stupidity risks martyring it, ignoring it risks normalising it, and engaging with it risks amplifying it. In the long run, such a community erodes public trust in truth itself, creating parallel realities in which facts are irrelevant and emotions rule. The stupid person who first stumbled into the forum has become part of a swelling tide of foolishness, and while most adherents may remain online warriors, the sheer persistence and scale of the movement destabilises societies, making governance harder, fuelling conspiratorial thinking, and paving the way for demagogues who thrive in chaos.