Why is The Goldfinch important?

Could you elaborate on the significance of "The Goldfinch" in the realm of literature and culture? Why does this particular novel stand out and captivate readers' interest? What are some of the key themes and messages it explores that make it such an impactful work? Moreover, how does it resonate with contemporary society and our understanding of art, loss, and the meaning of life? I'm curious to know the depth and breadth of its influence, and how it continues to captivate readers even after its publication.