The following, with the quote from Bishop Fellay, is taken from Fr Edward MacDonald's Epiphany Sermon:
Baptised children need to be taught the truths of Faith. When they reach the age of
reason they must make an act of Faith and determine to grow in a knowledge of the Faith. By being taught and studying especially the catechism.
Vatican Council II changed this. The Council rejected the mission that Our Lord Jesus
Christ had given the Church:
Go and teach ye all nations baptising them in the Name of the Father
and of the Son and of the Holy Ghost.
The Council preferred to discuss things with unbelievers and perhaps learn from them.
Bishop Bernard Fellay, SSPX, imitating Pope Francis, aka “Papa
Humble” equates this with humility. “A humble person is open to the other. He lets the other person speak. He always finds something to learn or receive from others, because he considers himself small in God’s sight.”1 What Saint has ever found something to learn from unbelievers or heretics?
Can you imagine St. Teresa of Avila asking What does Herr Doctor Martin Luther have to say? No, rather in her great and true humility she said we reject what he says. Likewise St. Anthony, the Hammer of heretics, knew in his true humility,that his mission was to convert the Cathars not to learn from them. He had the truth, they were in error.
1 For the Love of the Church: Interview with Bishop Bernard Fellay by Robert Landers, Angelus Press 2020, p.47, emphasis added