RE: "the underlying ideology and the mind state of the occult elite,"
Yup, that's self-important
The UltraRich are usually the last to personally adopt a trend, in contrast to merely funding it as Leyland did Whistler.
The Surrealist movement was nearly extinct a generation prior, so the 1972 Surrealist Ball's timing and content is best explained in the epigram, "Like, 70s, dude." -- too late for the late-60s but too early to impress Jodie Foster.