There's only one person present who is truly doubting the competence of the staff, and that is the High Inquisitor. It's utterly unfounded and I don't know why he's really here yet but you can be damn sure I'm going to find out.

[He narrows his eyes and makes a soft 'tch' sound]

The incident at camp certainly did involve Dark Magic. They're trying to cover it up, and poorly, I might add.