I think if you look at the themes that are presented in the film, some are inherently social, and I think that any film which deals with the family is dealing with the smallest social unit in our society - and in a sense it is a question of scope.
“Most people are really stunned to find out that the technology has been around for more than 100 years, and that the diesel engine was in fact invented to run on vegetable oil.”
“Poverty is uncomfortable; but nine times out of ten the best thing that can happen to a young man is to be tossed overboard and compelled to sink or swim.”