As others on here have too, I have seen (and felt to an extent) first hand the affects of this tragedy on a family and friends. It was / is a tragedy, and one that no single person will ever know the full causes of, and where all the culpability lies, for certain. The fact that a thread on it...
I read the full health & safety report following the crash. There were several comments regarding the lesser controls used by the CAA in the UK as opposed to the FAA in the United States when managing air shows. I would imagine that many of the FAA controls will now be looked at more closely...
I hope this is the case too, but I doubt it will be in all cases. I spent a couple of days with the brother of one of the victims earlier this week and we didn't discuss it at all. Everyone has their own way of dealing with these things of course.