To add to the previous comment, I think this can easily be enjoyed by any viewer, Jewish or otherwise! I am not Jewish, and was fascinated by the detail and attention given to the Bar Mitzvah service, and the significance it plays in the life of an ordinary family.
The stresses and strains of family life, and the role the wider community performs in the ordinary life of ordinary people, had me hooked. Loved it, laughed a lot, and thought Maria Charles as the harassed mother, was incredible. The sequence following her new hairdo is a beaut! Small details, such as the barbershop that is closed for the Sabbath, and the relationship between the Rabbi and his caretaker, give a real insight into the Jewish community. A pleasure to watch.