All happy families are alike; each unhappy family is unhappy in its own way.
Franzen's enduring work focuses on the promises and shortcomings that keep people, and particularly people within their families, preternaturally unhappy. The Lamberts are one unique case that, however, can stand in for the rest of an alienated, yet well-off society. This is a strong treatment of Franzen's recurring theme of despair in a world of immediate comfort but existential uncertainty.