All human behaviour since no later than the Polynesians turned the Pacific islands into a network of sailing trade routes.

"Humans move" is one of the easiest things to predict. The biggest problem today is that they generally move to somewhere that other humans are already in, which is of course rather lessened by any major disaster wiping out a majority of the population.

What cooperation are you referring to?

   ...people to move to the poles/into caves/beneath the ocean/whatever

Cooperation required for the purported mass migration of civilization. Admittedly, I assumed you meant it would be civil, but perhaps that should be excluded from the priors.

I never made any predictions of a cooperative (Civil or otherwise) mass migration of civilization - just that a nonzero number of people would move from areas that were becoming uninhabitable to areas that were becoming habitable. Did you reply to the right comment?