Jargon is one of those things that gets a bad rap from journalists, and writers in general, because it's an evolved specialization of speech. When our lives require new terms to describe the issues we face on a daily basis, we create them. This specialization quickly distinguishes groups from the general population, which is why writers avoid jargon: it limits the audience for their work.
Here's a list I compiled while working as a consultant last year. I imagined a younger, college-educated me, teleported through time from 1985 into the meetings I was attending, and every time I heard a phrase that 1985-me would have tripped over or misinterpreted in its new context, I wrote it down.