The German-speaking world was in dire need of re-evangelization after World War II. Instead of a widespread spiritual renewal, however, people turned towards material wealth, trying to make up for the poverty during the war by escaping into a bourgeois world of comfort.
In light of this, the reaction of the following generation, which had not experienced the deprivations of the war to that extent, makes sense. The young were searching for an absolute, which the bourgeois values of their parents could not yield. Since religion appeared like an empty shell to them, the “68-ideology” seemed like the answer to their quest. The combination of anarchical idealism and sexual hedonism appealed to their spiritual needs, was attractive to their rebellious spirit and offered physical gratificationRead the whole thing.
And if you didn't click on that link to Pope Paul VI, check out this interview with Dr. Thomas Hilgers, who created NaPro Technology and the Creighton Method.