The reasons why most of us require the presence of a dead body at a funeral are well rehearsed. There’s more to this than force of habit.
In a nutshell, the dead body concentrates the mind and brings appropriate intensity to the occasion. It’s an ordeal, but an emotionally valuable ordeal. Take it away and you’ve got an altogether less focussed, less useful event.
This being so, why do most celebrants omit to propose making funeral arrangements in the presence of the person who has died? Would this not also be an emotionally valuable ordeal?