>>7
It's a wiki so anybody can edit the pages. The nazi-finding macro was added the same day the page was created (04/03/2015) by the page creator who's also the sole editor. The IP address is from USA.
https://en.wikibooks.org/w/index.php?title=Scheme_Programming/Macros&action=history
The text is unexpected in a programming book and thus mildly amusing. I don't feel offended enough to take it to Twitter with a screenshot of the page and a selfie of my irrepressible tears and beg for mob justice and termination of Wikibooks.
I think that's about it.