the extraordinary extent of mankind's co-operation is so insanely large, it's impossible to quantify. (UPDATE 28.05.22 : see "De-globalisation. Really?") on the other hand, it's easy to quantify the opposite. violent conflict means either you or your opponent will die.
a 50% chance of survival. in "survival of the kindest", the New Scientists' Kate Ravilious is too kind to state the bleakness of 50%, but that essay takes co-operation to it's logical conclusion - "kindness." be kind.
you're more likely to survive.
just thinkin.
UPDATE 12.23