This and this. Just compare the volume of the boxes, and then take a look at the magnitudes they are representing. The report includes other “gems”, like bar charts in isometric perspective.* Not good.
(Then, read this post by Kenneth Field. It's about cartography, but what he says about respecting certain rules —regardless of context, publication, audience, and personal aesthetic preferences— can be extrapolated to other areas.)
*These become regular bar charts if you see them on a small screen. The design is responsive. h/t Tim Brock.