Well I think the text is usually clear, and by clear I mean Lucid.
My average Fog Index is 8, which is not bad (and puts me on a par with "Ladies Home Journal", I am told)
It's not that people don't understand what I am saying, they just don't like the message.
The Greeks (well I think it was the Greeks) had this unkind habit of slaughtering the bearers of bad news. Old habits die hard.