Fact
In the past, Big Tobacco has compared the addictiveness of cigarettes with M&M's.
Source 1:
"The State of Minnesota By Hubert H. Humphrey, III, Its Attorney General, vs. Philip Morris Incorporated. Deposition of Calude E. Teague, Jr. With Exhibits 1088-1100 Plus Exhibit A." Truth Tobacco Industry Documents. 08 Jul. 1997. Deposition.