A reminder: no current textbook on car aero even mentions 'fineness ratio', and even older textbooks give it only a very small space (1-2 pages in a whole book).
So take your pick:
Either those professional aerodynamicists, amongst the most respected and authoritative in the world, have forgotten to cover something of critical importance.....
...or Aerohead is embarking on one of his weird theories that has little or no substance.
You decide.
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