Found in the comments of this Stack Exchange question
Three blank lines aren’t copyrightable. The company policy was probably to put that notice on every file and it was easier to just do it rather than bother seeking an exemption.
I’d assume that GNU adding a –version and –help flag was to comply with their own coding standards requiring those flags, not a legal ploy.
Correct URL: http://trillian.mit.edu/~jc/humor/ATT_Copyright_true.html
Yikes. Meant to put that into the title, obviously, not the URL. Apparently I can’t edit the URL though.