^^^^^ The salient fact is, HE HAD EXPERIENCED THE LACK OF RESPONSE.
Had he been a Ppruner, I'm damned sure he would have alerted fellow aviators of his "brown trouser moment" Irrespective of any documentation going through official channels.
I'm also damned sure he'd have discussed it with other AF drivers.
The man's personal ethics is another ball of wax altogether and as Christiaanj said, start a new thread if you feel the need,
The fact that the discovery of some wreckage is in the public domain, indicates that it's likely interested parties consider a cover-up to be pretty futile.