I don't understand - where does the judgement of what is better (or what "we" care about) come from? This is simply a piece of theoretical research whether coo

I don't understand - where does the judgement of what is better (or what "we" care about) come from? This is simply a piece of theoretical research whether cooperation strategies that we have historically observed in some parts of the world can evolve in a game theoretical model. Where do you see a comment on whether living in Mongolia today is better (or worse) than living somewhere else?