Really? Western Civilization was created by the Church on the foundation established by Greece and Rome. Which of these were based on Social Darwinism?
Read the history of Renaissance [say, "the Prince" with its survival of the fittest], Industrial Revolution, and of protocapitalist Netherlands, for a sampler and appetizer.
Actually, human progress has occurred when the best and the brightest were allowed to apply their talents to the fullest extent possible, which is why the Medieval period, when the influence of the Roman Church was at its peak was, with a few notable exceptions, a period of cultural retardation in Europe.