He is not an expert, nor has he adopted the position of one. However, by interviewing the Library Director, he is using a valid source who knows that the library will have to cut services that benefit the entire community. It would not be necessary for him to interview every member of the community, since the Library Director, who is an expert on funding, is in a position to know.
This statement directly applies to young people. It means that boys are meant to go to school while girls stay at home. It also means that boys and girls complement each other (which explains the word "subordination").