At the time, Lincoln’s death was fused with Jesus’ in the popular
imagination—people needed Lincoln to be more than human in order to
give meaning to the slaughter over which he presided. We still seem to
need that, even while we know it’s not true. Maybe it’s that gap,
between Lincoln’s mortal and immortal natures, that we’re trying to
fill with all these words.
I don’t think that explains it at all. Maybe Lincoln is just a fascinating study.