Please don't refer me to articles written by ignoramuses.[/QUOTE]
Oh, I see. If articles don't agree with you, they must be written by ignoramuses. Are these articles, which agree that clichés are dead metaphors, written by ignoramuses, too?
"Others, however, use the latter as a way of describing metaphorical cliché.
So a dead metaphor is a metaphor that through overuse has lost figurative value. Other examples of dead metaphors are:
“run out of time“.
“ foot of a hill.”
“branches of government.”
www.uniroma2.it/.../METAPHOR.doc
University of Rome Tor Vergata
"Two types of clichés:
1. Dead Metaphors
Tight as a drum, sound as a pound, etc."
https://www.colby.edu/writers.center/tips/cliches.html
"All these are called dead metaphors. Their long use in the same contexts has first made them cliches,..."
(To Make a Poem. Turner, Alberta pg 99.