If a rich man has two chickens, and a poor man none, both people are well-fed on average whilst one of them dies of starvation. Likewise for Global Warming.
This is a paradox strictly linked to the idea of working with temperature anomalies on a planetary scale. Imagine in fact if we had a Polar station with an anomaly of +15C, with average temperature going from -60C to -55C; and a Temperate-zone station with an anomaly of -5C, with average temperature going from +10C to +5C.
In those circumstances, the planetary temperature anomaly would go +10C, even if everybody would experience it quite cold. Worse: if the temperate areas had anomalies around zero, the planetary temperature anomaly would shoot to +15C, a giant number with no practical consequence whatsoever: because if the temperatures go up mostly where it’s very very cold, nobody anywhere sees any of the fabled “warming” effects linked to temperature increases.
And in case you wonder, that’s exactly what is happening, according to GISS, on planet Earth.