 The ships went out to the middle of the Atlantic there to try to recover all the corpses that were out there in the ocean, and they ran out of embalming fluids and supplies and whatnot, so they decided that they had to choose who to preserve and who not to preserve, so they preserved the bodies of the first-class passengers because they claimed they needed to visually identify the wealthy men to resolve disputes over their estate. How about that? Now, is that not a fun fact?