Gatsby's Funeral
Along with Nick, just a couple of individuals attended Gatsby's funeral including a couple of workers, the West Egg mailman, the pastor supervising the administration, Owl Eyes, and most sadly, Henry Gatz, Gatsby's father.
Other individuals who were related to Gatsby throughout everyday life such as Wolfsheim, Daisy, and Tom and every one of his party-goers didn't consider Gatsby's funeral as an important one.
Possible implications of living the life Gatsby
Gatsby's childhood was filled with poverty. To come out of it and to achieve his dream of becoming a wealthy person, Gatsby involved himself in crime and smuggling activities which gained him more money. Thus by life, he leads lifestyle of a criminal.
Such a lifestyle will gain cunning people who keep affair with a wealthy person only to fulfill their needs and will leave the person when their need is fulfilled.
The funeral of Gatsby was the live evidence for the possible implication of living the life like Gatsby.