Well, rather since it costs humanity as a whole resources. After all, the vandalism stays saved forever, and even though it's not much space individually, it adds up. Wikipedia was designed to stay forever - but it costs huge amounts of money so vandalism in effect does also cost them money.
Although there were also rumors that a good part of the money goes into dubios things like a few dozen thousand dollars for offices in the foundation that nobody knows what they do at all...

[url=http://en.wikipedia.org/wiki/Wikipedia:Administrator_intervention_against_vandalism]http://en.wikipedia.org/wiki/Wikipedia:Administrator_intervention_against_vandalism[/url]
(hoping my posts will automatically merge)

Heheh...one of my favorites on there was a page dedicated to the Bronte sisters' brother. Made him sound epicly silly. Died standing up, you know.