Written accounts by the first spanish invaders included the description of mounds of body parts. Body parts were divided between the castes. High castes got the better choices.
Mels move shows little of the institutionalized cannibalism, the stratified class structure but does a nice job of detailing a crowd scene around a pyramid on feast day.
Apocalypto has less gratuitous violence than a typical slasher move and far less horror than most teenager movies.
Until the hero took his second spear to the shoulder we all considered it the best movie of the year.
I and mine will take your word for it and continue to avoid Gibson gorefests, mad slasher movies, and teenage-oriented horror flicks alike.