falcon900 -- Excellent post and agree. There are several reasons to continue picking over the bones.
a) The relatives deserve an explanation, for closure
b) There will be insurances in place. While money cannot restore the human loss it could help the relatives of the innocent.
c) If there are safety issues (human and mechanical) that can be addressed it might prevent future tragedies
d) The pilot will have to live with this for the rest of his life - and so will his family. Likewise all those responsible for the display and the airworthiness of the a/c