That could have been conveyed in a much shorter article that doesn't discredit honest projects of community members. Also, I don't feel guilt-tripped. What do you expect? A multi-paragraph article on top of each page?

If you click through, for example in Germany, you get a pretty detailed explanation of where your money goes:

https://spenden.wikimedia.de/spenden/Ihre_Spende_wirkt

The largest part: support for volunteers. Isn't that what Wikipedia is all about?