An individual might move but that doesn't affect the topic we're talking about. Also, moving is not easy: you have to learn new languages, acquire skills you d

An individual might move but that doesn't affect the topic we're talking about. Also, moving is not easy: you have to learn new languages, acquire skills you did not have use for previously, and get a work permit. (And for the hilarious part, we often see people from warm countries moving to more temperate ones because those are economically and politically better off)