Dunno; ask the normals. But I've read it so many times that they must have some such attitude.
It is an anachronism from prehistory when the dead were presumed spirits, capable of hearing you speaking ill of them, and retaining power to injure you. The motivation is primal fear.
First, Darwin describes Jobs's (far mode) stance towards death:
But these are Jobs's actual (near mode) actions regarding his own death:
The conclusion: