The author is just continuing a long tradition of mythology and entertainment, The Silent Shadow. Did you ever cringe when hearing about how Zeus, in the form of a bull, copulated with the mortal maiden Europa? Or how Marduk sliced apart Tiamat, using his grissly trophies to construct the world out of her dead body? Or how (King) David slayed one-hundred Philistine men so that he can harvest the foreskins of their pencses?
People have always had guilty fascination with six and violence, so it appears a lot in our earliest stories, and has given them lasting power as cultural artifacts. MK is just gleefully partaking in this tradition.