Cold Caller Gets Cold Shoulder

"Can I interest you in our fibre optic broadband, Mr Jenkins?"
"I've already got fibre optic broadband, thanks."
"Yes, but ours is ten times faster."
"Than what?"
"The national average."
"And what is 'the national average'?"
"Nobody really knows, it's a mythical figure used for promotional purposes."
"Hmm."
"Our wireless router connection is five times more stable than our competitors."
"Mine's already stable. How can yours be 'five times more stable' than stable?"
"It just is."
"How do you know?"
"Because it says so on my freakin' script."
"Hmm."
"So, can I Interest you in our fibre optic broa—"
"No."