The only reason this topic was ever splashed across the media, and is now a thread of nearly 30 pages and 600 posts, is because it was a reported event that was in itself so bizzare. Whatever the reasons for the event, and whatever the outcome of the investigations, it seems fairly clear that they are not something that United feels it either wants to or can share with anybody else, for whom there might be a lesson to be learned.
From the snippets of information here, it appears that there are some fairly disturbing undercurrents that might or might not be unique to this particular flight, this corporate culture, or perhaps more generally? It has now been over a Month since the event made news, and given that it wasn't an accident, and all the parties are available, it is not unreasonable to expect there might have been either a public or an industry relevant statement on this event by now? There can be little doubt that from a P.R standpoint the company would want the interest in this event to simply evaporate. There may well be underlying issues and tensions that neither the company nor the participants wish to have aired in public. It also sounds as if there are issues that need handling in a supremely diplomatic manner in order to prevent them from escalating or causing further damage to an already fragile and embattled industry player. The problem from a P.R standpoint is that the Genie is already out of the bottle, and seems reluctant to be pushed back in.