It took humans thousands of years to realize bartering wasn't the most efficient way of conducting transactions. More exchanges will open up very soon and gox will not have the strangle hold it has now. People don't need to accept it as payment but if an organization started accepting donations (who doesn't want a free donation?!) then it will catch in quicker. Because of the 'stability' now people will start spending them now which is probably the best thing for it. Crypto>fiat end of story