FL, et al, relating to the discussion circa #1490; the resume and comments on the book chapter at
https://hfeinpractice.wordpress.com/...ining-failure/ provides an interesting view on the related aspects.
Note the point about where you start an investigation (frame of reference). Seeking understanding and learning might consider the wider system and the process interaction (flight safety), but those seeking retribution might be more likely to focus on the human, error and blame (legal process).
What you look for is what you find.
The preceding and following chapters consider other aspects; indeed the whole book review is worth reading for a practitioner / academic view of 'their' subject. But perhaps we and they should consider who are the real practitioners, the people doing the job or those who believe that they know how the job is or should be done; and of course whether this view is before or after an event.
Where is the real gap between the views of human factors?