Are conspiracy theories based on real historical events?

Price-fixing cartels, Watergate, tobacco companies concealing health research, doping programs, corporate accounting frauds and covert intelligence operations are all documented conspiracies — groups acting secretly and dishonestly in concert.

Anyone who says conspiracies do not happen is wrong, and saying so destroys their credibility with people who know the history.

Proven conspiracies share features: a small number of participants, a limited timeframe, a specific objective, a documentary trail, and discovery by ordinary means — an auditor, a journalist, a court, a defector.

Conspiracy theories typically invert every one of those: vast numbers, indefinite duration, sweeping objectives, no documents, and no plausible route to discovery.

Royal commissions into banking misconduct, institutional child abuse and aged care each exposed sustained concealment by organisations. The Murray-Darling water inquiries exposed more. These were uncovered by disclosure processes, not by online investigation.

Australia's institutions have a documented record of being caught, which is the strongest argument that large permanent cover-ups are harder than they look.

Treating every suspicion as equally plausible dilutes attention away from the real misconduct that investigators can actually prove. Cynicism spread evenly is indistinguishable from apathy.

Directed scepticism — aimed at checkable claims, using public records — changes outcomes. Undirected scepticism changes nothing.

Assume institutions sometimes conspire, that they are usually caught, and that the size of a claim must be matched by the size of its evidence.

That position is neither naive nor paranoid, and it survives contact with history.