I was not aware of this oath, so, I guess the proper response is nothing. On my own personal journey (which began pre VCII), I tried to absorb the changes. Most recently, while residing in one of the most progressive dioceses in the US, I battled liturgical abuse. After decades of this nonsense, I watched in abject horror as a EMHC dropped a consecrated host on the sanctuary floor. Unsure of what to do, she bent over, picked it up and redeposited it in her Pyrex glass communion cup. It was the final straw.
Literally eight years ago today, recalling the words of our Savior "ask and you will receive", I bowed my head in prayer and asked our Lord to guide me to a holy priest, a reverent liturgy and a community in need of whatever God-given abilities I might possess. He did not fail! After visiting other parishes within the diocese, I attended mass at one of the Eastern (Maronite) Catholic Churches. The response was quick and most welcome.
It has been exactly 8 years since that first visit and I have never looked back. In the Maronite Church, I have found a most welcoming community that functions like a family. The liturgy is replete with incense (even at the low mass), the spirituality is pervasive and everyone contributes towards the community as a whole. The liturgy was brought by St. Peter to Antioch where he served as bishop before proceeding to Rome. The consecration is chanted in Aramaic - the language of Christ, His Blessed Mother and the Apostles. Because of its small size, the community functions much like a family where people pull together and volunteer to ensure the health and longevity of the small parish. In the short span of 8 years, I have been asked to serve on the women's sodality, been elected to the Parish Council, successfully written two grants (with God's assistance) and served as Director for Religious Education. The years have flown by and I am still enamored by the beauty of the Maronite Church.
Modernism was described by Pope Pius X as the synthesis of all heresies. Pope Pius X stated Modernism is born of the alliance between faith and false philosophy. Modernists recognize, said the pope; "that the three chief difficulties for them are first, scholastic philosophy, secondly the authority of the Fathers and Tradition more generally, and thirdly the magisterium of the Church, and on these they wage unrelenting war."
It is no surprise, to me anyway, that the Modernist is comfortable with and in league with the Secular Humanists, Buddhists and mysticism, and the more liberal branches of the Reformation.