Question

Since most of his guests ignore him, why do they come to gatsby's house?

Answer 1

Because he's rich: They accepted his hospitality because they could eat and drink freely, and just overall have a good time.

Answer 2

Answer by YourHope:

since most of his guests ignore him, why do they come to gatsby's house?

They accepted Gatsby's hospitality and they could be merry and drink and eat.

:)