Why a man eats another man's heart

Maybe its not politically correct to point it out, but here is a bit of history.This isn't unprecedented in Arabia.

Hind, the pagan wife of Abu Sufyan, hired a slave to assassinate Hamzah, an uncle of Prophet Muhammad, and then chewed his liver. http://en.wikipedia.org/wiki/Hind_bint_Utbah

What kind of people do that? People who feel Hind is worthy of emulation and respect, because she eventually accepted Islam.