The testimonies of former Catholics who have come to faith in Jesus Christ encourage me, especially Catholics who tried to give themselves to God totally in the religious life, and to find forgiveness for themselves and others by living a life of self-denial and intercessory prayer. I have known many sisters who were devoted to God in this way, but He did not ask this of them.
Priests and nuns, and Catholics in general, are almost always relying upon the Church to save them rather than relying upon Jesus Christ. The Church is their Mediator with the Father, not Jesus. And, too, Mary is said to be the Mediator of all graces. So they have both the Church and Mary (and the saints) between them and God. But many nuns and priests do leave the Church and find life, forgiveness, and freedom in knowing Christ as their Saviour. Someday He will destroy the system that tries to stand in His place, getting in the way and bringing confusion, grief, death, and eternal loss.
13 For my people have committed two evils;
they have forsaken me the fountain of living waters,
and hewed them out cisterns,
broken cisterns, that can hold no water.