I wonder of the 80% how much would they care for it if they had time to discover and learn it. And how much they really just will never care (unless their role / conpany changes).
Companies frequently moan about "re-training", but in my experience users of e.g. Word, or Excel don't need re-training, they need training. A large number of people how "Knows Word", can't use any of the feature beyond changing the font and font size, not even the "headings". For product like Microsoft Office (or whatever it's called these days) 20% is ludicrously high. I'd guess more in the 1% - 2% range. Especiall…
“Knows Word” and “familiar with Windows” are boilerplate résumé spam to match the keyword selection. No one actually is expected to follow up on those bullets.