Why not, Over the governments in poor countries would provide learning about what it bitcoin, I believe it can bank the unbanked. small traders in poor countries can easily accept bitcoin if it becomes more mainstream and easier to use for most people.
I believe by using bitcoin, we could easily make a bad situation better, even we can improve a poor country by changing the pattern of community life. Well, I feel it can be done. by introducing bitcoin to the people, they can develop bitcoin based on their hobbies, ranging from business, trade, investment and much more, so when people have improved, perhaps so the country can change direction over bath