Nor was it implied that it is. The end product only reflects on the sources of nurturing. So if a NRI is a vile and rabid hater of Pakistan then its their nurturing which includes their access to social media and news that add to it.Nurturing party is not just family. Atleast here in Canada. Its education and social contact as well.
Canadians as such however are more integrated as a multi ethnic community versus here in the US per my experience.