That will always be a mystery to all but the upper levels. The Sisters are under a gag order not to discuss the details of their exit from Cincinnati.
While certainly not perfect, the low calibre of those who have taken the Sister's positions tell the story.
It's safe to say they would be the natural enemies of each other, those who have taken the place of the Daughters of Mary. For example, two hand-picked male teachers in less than two years have been fired because of scandals with girls.
The Sisters forbade use of the Internet and social networking sites, etc. under pain of expulsion. This was the first change by the new regime. A sex-texting episode soon followed. And so forth and so on.