Yes. Anecdotally, the people I know of who do go to Burning Man are either techies or lawyers with upper-middle class income with liberal/progressive ideas or g

Yes. Anecdotally, the people I know of who do go to Burning Man are either techies or lawyers with upper-middle class income with liberal/progressive ideas or grad students whose socio-economic circumstances are well off enough to allow them to pursue graduate education in the first place.