Some people are still shocked when they read about druids roasting people over a fire in cages, or evidence that some civilization practiced cannibalism in the far past, etc. We were all savages at some point-civilization is pretty much a veneer, even now-scratch deep enough and the savage re-emerges...
Just watched ‘The Wicker Tree’ on cable over the weekend...............
https://en.wikipedia.org/wiki/The_Wicker_Tree