Yeah and Michigan doesn't contain all the idle/fallow land in the US but the problem is some people look at this and think that Michigan contains the most idle/fallow land in the US which is why it was used to represent that portion of the data.
I feel like there is a single sentence or phrase that could be written above the or near the graphic which would make it clear but I honestly don't know what it is.
and when you publish one it's called "shooting"