I'm sorry but the way I read it, moggiee WAS, as you put it, "slagging the crew off".
And in this case, yes, we can be constructive with our criticism (ok, we missed several clues, so how can we do better?) or destructive (you're stupid, you missed the clues)
As always on these forums it's nigh on impossible to judge the timbre of a post. And I'm sure that moggiee would agree that his post could easily be construed as being negative, rather than an attempt to adress the problem in a constructive manner.
I'm sure we all learned important lessons from coverage and research into the Kegworth accident, but can anyone honestly say that in that situation, with the indications that occurred, they would have made different decisions?
I'd like to hope that I would, with the benefit of having studied that accident, but who really knows?