BV, I totally accept that - to use a cycling analogy - I am merely an enthusiastic amateur whereas as you and many others here are Bradley Wiggins.
However, there have been many comments dismissing CI as a possible cause of the tragedy. My point is that it warrants proper investigation, not least because it might provide an explanation for previous apparently inexplicable accidents that have claimed the lives of highly experienced and capable aviators.
To use and extend Treble One’s analogy, if I heard clip clopping outside, I might surmise it it was a horse (common around here), but really all I know is that it sounds like a large ungulate - but if I wanted to be sure I’d have to go and look.
Caramba