With the demise of the traditional, God-centered spirituality that once thrived in the Church, new secular missionaries rushed in to introduce their man-centered sociopsychological therapies of one form or another.
Moral Spirituality replaced Mystical Spirituality in the Church, which led to disastrous consequences we still live with today.
The dramatic destruction of authentic Mystical Theology was short-lived, but an anti-mystic legacy lived on in subsequent centuries down to the Second Vatican Council, affecting all who took part in it.
When Pope John XXIII should have been calling Catholics to repentance, prayer, and sacrifice, he decided to call a Council to do the impossible.