The quote from Milan Kundera's "The Unbearable Lightness of Being" suggests that societal norms often promote an unrealistic aesthetic that ignores the unpleasant realities of existence. This idealization of life, termed kitsch, reflects a collective denial of darker aspects of human experience, such as suffering or failure. People choose to engage in a façade where they act as if these negative elements do not impact their lives.
Kitsch represents a comfort found in superficial beauty and harmony, often at the cost of authenticity. It highlights the tension between embracing the full spectrum of human experience and retreating into a sanitized version of reality that neglects the complexity of life. In this way, Kundera critiques the tendency to overlook the unpleasant truths that truly shape our existence.