Most of humanity's infrastructure is dominated by the fact the world climate in the last thousand years, particularly the last 150 years, was what it was. If the average global temperature had been just 1-2 degrees warmer or cooler, the major cities and ports won't be where they are today, agriculture would be wholly different, transportation network would have been laid out differently.
So any major swing in world climate would cause massively obsolesce of not just existing infrastructure, but would force big demographic shifts. So we have a big stake in delaying any major climate change in order to lessen premature obsolesce and force unwanted demographic shifts.
The fact that claimants shifts naturally is besides the point. We have a stake in controlling the climate to suit our needs. Our need is for future weather to resemble past weather.
So any major swing in world climate would cause massively obsolesce of not just existing infrastructure, but would force big demographic shifts. So we have a big stake in delaying any major climate change in order to lessen premature obsolesce and force unwanted demographic shifts.
The fact that claimants shifts naturally is besides the point. We have a stake in controlling the climate to suit our needs. Our need is for future weather to resemble past weather.