Not just cliché-avoiding sage advice for journalists, but a lesson in register and mode too - 'words we don't say' being both a warning not to use the lexis, but also pointing out that these are written forms not usually uttered by non-journalists.
Words we don't say
http://www.swisscheeseandbullets.com/journal/words-we-dont-say.html
Words we don't say
http://www.swisscheeseandbullets.com/journal/words-we-dont-say.html