Right at the top of that section: "Since the latter decades of the 20th century, for political reasons, in English and French, Farsi has become the name of the

Right at the top of that section: "Since the latter decades of the 20th century, for political reasons, in English and French, Farsi has become the name of the Persian language as it is spoken in Iran." And a little farther down: "In English, this language has historically been known as 'Persian', though 'Farsi' has also gained some currency." So I don't think it's as clear as you suggest. I certainly recognize the name "Farsi", though I would not have known "Dari" (the name of the Afghan dialect).