Conspiracy everywhere. I am sure that we could prove that the dreaded 72° delta 3 was invented by some bad, bad engineer from santa lucia, sold to the US of A - probably to the CIA - to conquer the world by chopping N registered tailbooms of.
Wing fences are not something new and are used on different airplanes. I don't think they where invented by NASA because there where some aircraft in war II which allready had some sort of tip fences. But that is another story and I stop right here.