What is the significance of Wolfsheim and Klipspringer not coming to the funeral?

Wolfsheim and Klipspringer not attending Gatsby's funeral highlights the superficiality of their relationships with him. Wolfsheim, known for his shady dealings, likely wanted to avoid any association with Gatsby's downfall. Klipspringer, who only cared about his own comfort and convenience, demonstrates his lack of genuine friendship by not bothering to pay his respects.