You won't find me arguing against Mozilla's decision to drop XUL extensions, I'm just stating a fact, that it was one of the primary differentiating factors bet

You won't find me arguing against Mozilla's decision to drop XUL extensions, I'm just stating a fact, that it was one of the primary differentiating factors between Firefox and its competition, for better because of the varied high quality extensions that you simply would not find anywhere else and obviously for worse.