I find it quite amusing that so many self-defined "Linux power users" can't use anything that isn't pretty much an exact copy, UX-wise, of Windows 95.
"The best UI is the one you know"
True
But not all fads survive. It's evolution!
Example: light pens
Isn't a fad that survives not a fad, by definition?
He's riffing off the parent's use of the word "fad", where the parent used it in a quote as if someone had once called it a fad, even though it turned out to be something that stayed around.