Jiro Dreams of Sushi and Success in the West

The documentary focuses on a story as far removed from average western life as can be imagined by focusing on a family from the other side of the world with different values and relationships who run a restaurant uncommon in the west. Yet, while still being enjoyable and successful, the film neither dwells on this subject nor ignores it. What is the relationship between this (and similar films) and the success with western audiences?