When I was working on evolutionary dynamics in the late 90s, a group of us from across the world were trying to build an evolutionary model that showed the emergence of altruistic behaviour. It was really really difficult. Even knowing exactly the kind of behaviour we wanted to show, it wasn't trivial to stack the dice enough to roll that outcome. I have since read a lot of arguments, a lot of post-hoc reasoning that…
When I see how much investment we take in people these days, it comes naturally to me that we have to look after each other.
People are expensive to produce and maintain and experience doesn't grow on trees.