The question is why should it not have a good future, its a good currency and I think that it can become very big and used all over the world.
It just need some time to accomplish this but it can do this without doubts.
with the current rate of adoption of bitcoin I am agree with your point that in the future the users of bitcoin will be all over the world and the customers from all over the world will adopt bitcoin for their transactions and it will have a good image over the world and will be an established currency.