Not surprising; we see this elsewhere every day: e.g., the poor tip better than the rich. They know better what life is like for each other, and, as a species, we empathize with those we perceive as similar.
Not surprising; we see this elsewhere every day: e.g., the poor tip better than the rich. They know better what life is like for each other, and, as a species, we empathize with those we perceive as similar.