He's certainly talked with survivors outside the Commission -- but these are supposed to have been ... insiders, after a fashion, part of what he put in place to advise him on this ... situation, and to help give him answers to dealing with it.  The Commission survivors are gone.  He should have been meeting with them all along.  Is this meeting an "Oops" of the "I should have made time for this important matter and these important people before those who experienced abuse left" or with a bit of relief that Marie's challenges wouldn't be right to his face in a formal situation?  It's the timing.  It may not be a factor, but "waited too long" can have so many meanings.