Bitcoins have three useful qualities in a currency, according to The Economist in January 2015: they are "hard to earn, limited in supply and easy to verify". Economists define money as a store of value, a medium of exchange and a unit of account, and agree that bitcoin has some way to go to meet all these criteria.
Still boils down as to how people are going to used their bitcoin, do they want it to become a store of value? Or when merchants started to accepting Bitcoin as payment scheme, will people going to used it?
So this kind of arguments/counter arguments are moot in my opinion, as Bitcoin or crypto are really challenging the way old economic systems are being viewed upon, IMHO.
As I read some articles about mass adoption about bitcoin, most people are having a good feedback about it. We can't deny that bitcoin really is a good digital currency and altcoins are just an alternative.
Probably, the answer to you question is YES. In the country that accepted bitcoin as a currency, some merchants or markets are accepting bitcoin as a mode of payment in some transactions. Although bitcoin is very volatile, some traders are there just to store bitcoin until it increases its price again.
As the demand about bitcoin increases, it is more likely to give a big impact to the economy. Bitcoin is the most used cryptocurrency and I know that a lot of people are guaranteed to promote bitcoin in some part of the world to improve mass adoption. By that, economy of that country will improve and undergoes development.