Burning man for billionaires. http://burners.me/2014/09/12/a-sherpas-tale/ Analogies to Open Source, Contributor License Agreeements, etc left as exercise for reader.

No plans or expectations just me doing what I love and choosing to be involved in any way i wanted. my only reason to do anything was simply because i wanted to do it for the experience of doing it. there was no sort of expectation of a return. My efforts were merely gifts given to others for my own enjoyment.

[...]

I spent an entire day not entering the city that I came to be part of. An entire day dedicated to people that built tall walls to separate US from THEM. This event is meant to brings people together and it felt like it was invaded by a wall of money and power there to make sure we would be separate.

via https://www.jacobinmag.com/2015/08/burning-man-one-percent-silicon-valley-tech/