So on the basis of a single report from 'a reputable source' published by the Sun and repeated subsequently by a number of other media outlets, an overlooked intake blank has been established in some minds as the definitive cause, leading to a discussion of an anticipated cover-up (no pun intended) by a Navy investigation (they are joint investigations, it will not be a Navy inquiry), a suggestion that a Leading Hand will be found blameworthy (even though there is no indication RN personnel other than the pilot were involved) and an assumption that those above said Leading Hand are actually at fault. As for 'negligence on the flight deck', there is a big difference between someone making a mistake and negligence - is there no room for fatigue, distractions, expectation or confirmation bias, or other human factor mechanisms any more?