> "Where are the people today who would like to create a 1,000 person community? Where are the wealthy who would like to try a bold experiment in communalism, anarchism, feminism or whatnot?"

There are similar experiments happening on a smaller scale. I would argue that you wouldn't want to fund these communities through wealthy benefactors, otherwise it creates a sense of deference and obligation, it's far better to have a more egalitarian community IMO.