"Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it."
I don't think Venn diagram diagram is the best way to convey this particular information, but what am I saying? Venn diagram is the best way to convey any kind of information!
I am actually thumbing this for the noncolorful chart on the bottom, as it looks like a pretty good summary of human emotion in terms of stimulus and response.
JerrodL has the idea. Freaking out about the fraction of US debit that is held by foreigners is brought about by misinformation, lack of understanding, and heavy dose of xenophobia.