flame wars such as broke out earlier in this thread
...which serve no purpose, and say more about the egos of the participants than anything else. I agree. Also a reflection of the anonymous nature of the forum, I guess.
My other observation would be that there are two different realities at work here. It may well be that the Flight Safety Officer, the Fleet Manager, and the Chief Training Captain all simply want to get to the cause and learn the lesson; but other senior managers in the company, perhaps more aware of the damage done to the reputation and bottom line of the company, will be screaming for blood. Often, even in relatively enlightened airlines, there will be a call for somebodies' head. I've seen it happen way too often.