I'd have to say its not a field of broad interest, and having been pretty solidly studied and explained already, there's enough opportunity for fruitful self-st

I'd have to say its not a field of broad interest, and having been pretty solidly studied and explained already, there's enough opportunity for fruitful self-study that no one thinks they can sell it as a class. A bit like studying the composition and seeking the perfect recipe for black powder Gunpowder: it's not terribly relevant now to most, because the work's been done and the results are so readily available that most never realized it was something that needed that much technology behind it.