Incredibly, I hadn't even thought about that. Shame on me.
Gotham Central wrote:
It should be pointed out that you can find a similar let of pictures that reproduce the iconic image from Crisis on Infinite Earths with Superman holding Supergirl in a similar pose when she died.
Yes. All three images (Jesus, Robin, Supergirl) seem to be of a parent (figure) holding their own slain child (figure) - someone they had responsibility for. It's not just two superheroes. It wouldn't be the same if it were Batman holding a slain Superman. It seems to me there's an instant attribution of the survivor's responsibility
for the life - and therefore the death - of the child figure.
Just pulling this out of my ass as I go. More thoughts welcome.