Conspiracy theories have become a kind bugbear for a hysterical establishment bent on controlling the public discourse. While some conspiracy theories are clearly absurd—and a bit of fun—others are serious working hypotheses attempting to make sense of an often baffling world. The attempt to dismiss them and ban them on social media reflects a nascent tyrannical tendency in our ruling elites. Film maker andcontributor Richard Wolstencroft stands on the grassy knoll and asks why people get so upset about a bit of informed or uninformed conjecture.