Well, it has "real nutritional value", in the sense it provides calories, and probably aminoacids but nothing out of the ordinary or with medical value
I'd suggest looking into the geopolitical issues behind the promotion of "traditional Chinese medicine"
"Shark fin soup was a status symbol for wealthy and powerful Chinese, who would consider a family who couldn’t afford to serve shark fin soup at the wedding banquet a family not worth marrying their daughter into."
I'd suggest looking into the geopolitical issues behind the promotion of "traditional Chinese medicine"