The article discusses the phenomenon of the so-called minority rule, pointing out that a small but tenacious minority can influence the entire population. An example is the kosher community, which, despite its small numbers, makes the majority of beverages designated kosher. The author analyzes how simple rules can change an entire society. 3-4 percent intransigent minorities force entire populations to submit to their preferences. Kosher eaters compel nearly all US beverages to be Kosher. 3-4 percent Muslims drive majority of UK lamb imports and much chicken to halal. Small non-GMO minorities force all food production and events to non-GMO. Languages obey minority rules while genes obey majority rules. Turks imposed East Asian language on genetically Mediterranean populations with almost zero DNA change. Lebanese retain over 90 percent ancient Canaanite genes despite repeated invasions. Islam overtook Christian Egypt through irreversible apostasy bans and mandatory conversion marriage rules. Christian intolerance crushed tolerant Roman paganism to dominate the empire. Moral norms and virtues get imposed by small intolerant minorities. Stubborn minority traders crash entire markets. Intolerant minorities destroy tolerant democracies.