Only humans understand death as the inevitable and final reality for all mortal beings no matter what we do.
I could not find a single reviewer who accepted the claims of the papers. They were harshly critical of claims of intentional burial of the skeletons.
In other words: evolutionists make up fancy just-so stories that do not stand up to scrutiny when they are checked with actual empirical data.
These human specimens were collected in large part to dramatize how non-white peoples were supposedly lower on the evolutionary ladder than whites.
Berger et al.’s claims about the species have been disputed and their idea that it lived 2-3 million years ago was exaggerated by a factor of 10.