It's almost like we don't value it for itself, but what it's worth in "real" money.
Simply because they need money to buy things in which dollar can be use anywhere and anytime, unlike bitcoin there is only few establisments are accepting in which most of it are very expensive and high value stores. We should accept the truth that at the moment bitcoin and other digital currencies are only good for investments that fiat is still the recognized currency in the world in which dollar is the most common to use.