Comment by BlueTemplar

This article was a lot of work, which, while commendable, looks like it could be easily avoided by the following rule of thumb :

If your numbers/data/chart/speech does not feature uncertainty, then (in a professional setting) you should be dismissed as a bullshitter or incompetent.

(The importance of thinking about how and how much you might be wrong is drilled out into the minds of students from the start of university for a good reason.)