I quite thought that we were all "don't knows" but still can have firm opinions as to what probably happened. If it looks like a duck, sounds like a duck.....................and so on.
Quite a reasonable response.
Many of the aircrew contributors, particularly those with LL experience, will have a "gut" feeling, even a " there but for the Grace of ....etc) but most will concede that they do not, nor cannot
know why the accident occured ...
with no doubt whatsoever.
Therefore the grossly negligent findings are in my opinion wrong and possibly cover up something more sinister and embarrasing for MOD and /or very Senior Officers. (but that I don't know, it is again, only my opinion)