I don't know my unknown unknowns! o.O
But I've been shocked by developing a taste for "Islands in the Stream" by Dolly Parton and Kenny Rogers in my adult years, along with a deep love of the whole ABBA repertoire, when they used to make me barf as a young child.
I don't think that reverance or respect for the dead needs the dead to be hidden from sight completely. It is the attitude that you bring, as a witness to a dead body, that matters, not the display and witnessing of a dead body, per se.