Why is Ark rated M?

Why is Ark rated M? Blood-splatter effects occur as players attack creatures and other human characters; blood can also stain the bodies of defeated enemies. During the course of the game, animals and human characters can be seen defecating, leaving balls of feces on the ground; flatulence sounds can be heard throughout the game.

Blood-splatter effects occur as players attack creatures and other human characters; blood can also stain the bodies of defeated enemies. During the course of the game, animals and human characters can be seen defecating, leaving balls of feces on the ground; flatulence sounds can be heard throughout the game.