Sci-fi? Such an idea has no unrealistic basis. This biological nature of members of different cultures related to the ability to prosper is the same. One of the practical examples is the USA, which cannot refer to the race or the religion as a factor of its prosperity.
Humans always function in some kind of community – and libertarians, armed with their utopias, are willing to rebuild those communities after the damage done by the social democracy. There are no individuals if there are no communities.