"We're pretty thoroughly trained not to care about being shunned by Civilization except insofar as Civilization has a good reason for its opinions, which, to be clear, it always does, but if we weren't constantly checking the reasons, there'd be a possible equilibrium where it didn't. Children's training, occasionally try to justify things to them by claiming that the reason they're true is that an opinion poll of Civilization showed a huge majority agreed with it, see how old they first are when they catch on. I was five years old, so I don't actually remember when I called them on it, but I did..."
"My point here is, the reason my Civilization model is giving this current state of argument a quizzical look is that they don't understand how everyone acting that way turns out well for everyone, and neither, in fact, do I. And I'm guessing that's probably not something you could or should try to explain in the next five minutes, but I'd feel pretty silly if it had a thirty-second explanation instead."