Only 42% of donations are used to maintaining Wikipedia and it's related sites.
How do you square that with this comment (https://news.ycombinator.com/item?id=37180736) that says only they only spend "2% on actual hosting costs."
100% of the work of actually maintaining Wikipedia is is done by unpaid volunteers, and much of the tooling they use also appears to be developed on a volunteer basis.
https://wikimediafoundation.org/about/annualreport/2021-annu...