Ireland went from hardcore Catholic to hardcore Liberal. Eastern Europe from hardcore commie to christian westward looking. Nazi Germany became a haven for Angela Merkel. Oliver Cromwell's Puritan England became the whorehouse of Charles II.
Pendulums often swing. Cuba will probably go capitalist one day. A ton of Iranians utterly despise Islam, and they will soon have guns. During the French Revolution the first up the scaffold were the religious clerics. 20 years of bloody madness and chaos, of course.