They know very well what it's like not to be interested in the church, because at one point, they weren't interested in church themselves. Henderson is the advisor for McGill's bachelor's program in theology as well as the divinity program. They have to master either Greek or Hebrew, and do religious community work in a variety of settings. They also have responsibilities to their own parishes and to the theological colleges with which they're affiliated. Their academic ability is scrutinized, as are their leadership and counselling skills.
Psychologists probe their psyche to determine their mental fitness for the ministerships they seek.
You can't get away with compartmentalizing. You can do extremely well in the academic aspects of your training and still be refused in the end. It can be a difficult journey sometimes. That's the way it feels sometimes. The ordinands like the fact that the Faculty of Religious Studies is part of a greater, very diverse McGill community.