That title riffs on the term of art in trademark law known as “likelihood of confusion.” It refers to a foundational test, which asks whether the average consumer will confuse a particular mark (words, design, or both) with a product or service that is not produced or distributed by the company associated with a known mark. Thus, beware the Rollex, ...
“The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.”
– Daniel J. Boorstin