To be fair to Wikipedia here, quoting a nearly ten year old figure and comparing it to current earnings in order to prove that their required expenses are low is not that honest.
> After a decade of professional fund-raising, it has now amassed $400 million of cash as of March
> “WMF has operated in the past without staffing and with very minimal staffing, so clearly it’s _possible_ to host a high traffic website on an absolute shoestring,”
> He put the running costs at $10 million a year. Being generous, as some costs fall every year, let’s double that. Wikipedia can operate quite comfortably with the cash it has already, without running another banner ad, for twenty years.
> So where does the money go? Not on the people doing the actual work on the site, of course.
> Foundation lists 550 employees. Top tier managers earn between $300,000 and $400,000 a year, and dozens are employed exclusively on fund-raising
etc.