Vastly overstated benefits.
http://letstalkbitcoin.com/blog/post/lets-talk-bitcoin-133-t...
First 20 minutes goes into detail on how useful Bitcoin really is in the developing world.
In short, if you've got access to a data plan and a smartphone you're not going to be unbanked. And if you are unbanked, you're not going to have access to a smartphone and a data plan.
Bitcoin is only actually useful in countries with the infrastructure to support it.