In all seriousness, though, have you ever seen an educated middle or upper middle class person or family join this religion?
See what the Bible says at 1 Cor. 1:26-28
Brothers and sisters, think of what you were when you were called.Not many of you were wise by human standards; not many were influential; not many were of noble birth. 27 But God chose the foolish things of the world to shame the wise; God chose the weak things of the world to shame the strong. 28 God chose the lowly things of this world and the despised things—and the things that are not—to nullify the things that are,