> What makes this intuitive? 20 million years of evolution hard-wiring it into our primate brains on a genetic level, from every thrown rock and fall from a tr

> What makes this intuitive? 20 million years of evolution hard-wiring it into our primate brains on a genetic level, from every thrown rock and fall from a tree. That's what made it intuitive. But not everyone gets the same batch of genes, I guess..,