I suspect Universities themselves, being an abstract concept rather than a living being, don't actually write any of the things attributed to them.
The document is hosted as a handout for a Stanford course, I don't know why it would be incorrect to attribute it the way it was.
I'm guessing stablemap is providing the author for anyone who might be interested in more of their work, rather than as a criticism or correction. ¯\_(ツ)_/¯
Haha yup, he's edited his message. Now I just look like a jerk :)