how many dancing billionaires are there at burning man?

From Elon Musk, by Ashlee Vance, pg 318:

After arriving at Burning Man, Musk, a regular at the event, and his family went through their standard routines. They set up camp and prepped their art car for a drive. This year, they had cut the roof off a small car, elevated the steering wheel, shifted it to the right so that it was placed near the middle of the vehicle, and replaced the seats with a couch. Musk took a lot of pleasure in driving the funky creation. 19 “Elon likes to see the rawness of people there,” said Bill Lee, his longtime friend. “It’s his version of camping. He wants to go and drive the art cars and see installations and the great light shows. He dances a lot.” Musk put on a display of strength and determination at the event as well. There was a wooden pole perhaps thirty feet high with a dancing platform at the top. Dozens of people tried and failed to climb it, and then Musk gave it a go. “His technique was very awkward, and he should not have succeeded,” said Lyndon. “But he hugged it and just inched up and inched up until he reached the top.”