I don't think that we need to worry about this too much. If Bitcoin looks attractive to the individuals, they will start using it without any compulsion from the promoters. At the most, we can educate people about the benefits and merits of Bitcoin.
This is true, at this point we dont have to worry about other people to use bitcoin as currency. In every country we have on our own currencies to use to buy foods and services. When bitcoin has more benefits that users enjoying much no need to force other people to use eventually they will adopt this technology.