[It takes Dean a moment to catch on to what's actually being discussed here, and then despite the fact that the two of them have never talked, not really, and that the Doctor claimed fatigue, the hunter is on it.]

Wait, wait. A lot of people got caught up in that bullshit, and a lot of shit came out that shouldn't have, that can get people hurt. There'd better be a better explanation than you can all rest easier and it was an accident.