Primitive tribes may be relatively backward, and people think that eating the meat of the dead is a kind of mourning for them. Eating human flesh has become a belief, a superstition and a religious ceremony, which is not necessarily driven by hunger or wild animals. The first story about cannibals comes from some hearsay: cannibals and Caribbean people. It is said that the Caribbean will eat all the male prisoners alive, and even raise some little boys until they gain weight.
Because modern culture has improved, they no longer eat people, and cannibalism is very uncivilized in their view. Only 20 years ago, there was a cannibalism incident, and later everyone learned to hunt. There are many wild animals in the forest. They have learned to hunt. Long-term hunting makes them gradually master this game-like lifestyle, and even hunting tools have their own uses.
The cannibalism of cannibals is a belief for them. They are all superstitious, but it won't happen again now. This is a superstitious religious ceremony, not because of hunger, but also because of backwardness, so there is such a custom, but now these customs are gone, even if relatives die, there is such a ceremony, replace it with something else! It's still very strange for us people!