Mandy Rice-Davies's famous testimony during the Profumo Affair, "Well, he would say that, wouldn't he?", is an example of a valid circumstantial argument.
"San Francisco values" is a term often used pejoratively and as an ad hominem phrase to refer to cultural, social and moral attributes associated with the city of San Francisco, California's liberal politics and pluralist culture.
A review by Harriet A. Hall on Quackwatch stated that some negative reviews of Trick or Treatment demonstrated "an appalling poverty of thought"; articulating that since the reasoning behind the author's conclusions is solid, critics instead deny the methods of science, misrepresent the book's contents and use ad hominem attacks against the authors.
Saunders' political incorrectness and personal attacks in his lyrics earned him (and the Angry Samoans) significant notoriety in the early 1980s, especially due to their song "Get Off the Air", an ad hominem attack upon well-known KROQ-FM DJ Rodney Bingenheimer.