If you have a hunt around you can find an article that (IIRC) shows that the aero pillar profile is actually quite boxy and not that aero compared to some of the more bling roundy spokes.
Kavitec blog
http://3.bp.blogspot.com/-o_3WlibQfj8/UPq7OAfVqAI/AAAAAAAAHmQ/ZUth1fVmuSI/s400/1.jpg
@dubtap started
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Kavitec blog
http://3.bp.blogspot.com/-o_3WlibQfj8/UPq7OAfVqAI/AAAAAAAAHmQ/ZUth1fVmuSI/s400/1.jpg