[TechBro8615]

And my point was that neither climate change nor nuclear holocaust would be sufficient to cause a mass extinction on the scale of, say, that which eliminated the dinosaurs. In either case there will be plenty of humans remaining.

[ClumsyPilot]

and they will live short and unpleasant lives, like they did during the ice age

[TechBro8615]

Seems like a pretty unfounded assumption. Why do you think all of our knowledge and sources of societal stabilization are embedded in the communities most vulnerable to natural disaster?