bitcoin can't help an entire country,but can help individuals...and those individuals may be willing to help their country to grow economically and aid development
Yes i agree with you that bitcoin can surely help some particular individuals who are ready to work for it and use bitcoin as a currency like it has already helped many users,me included as well but i dont see how bitcoin can help an entire poor countries.
You are right that bitcoin already help many users and i think that maximum poor people earning bitcoin easily through trading and online tasks i think its good way to earn bitcoin.