Looking at this in 2019 you'd hope that the passing of time allows the angry to be less angry to avoid becoming bitter and twisted. AH has certainly dealt with more than his fair share and with the intelligent mind that he has, an obvious passion for all things flying, it would seem that his entire world is broken. I think for the sake of humanity a supportive arm around the shoulder would seem the kinder thing and the right thing.
Dragging things into a civil court will achieve what? To replay the same narrative for a few quid? Surely so called "guilt" proved to a lesser standard is hardly the justice those who claim to speak for victims seek. Justice for the victims should be based on positive outcomes. They have had one and that is not to pile all of this on the shoulders of one man.
The next positive would be a legacy based upon focus at the CAA and root and branch reform there. The CAA is not a faceless or unaccountable entity. We can all read the names of the executive and we can see what compensation they get for that role. The Head of GA at that time has gone, one imagines not entirely independent of this accident but there should be - one hopes - wider acceptance that these issues are far bigger than one or two individuals. It hardly seems appropriate to be so angry at AH who is merely an individual who was led to the point of this accident with the guidance and practices that existed at the time. You can't melt away at the first sign of trouble.