Poor countries really don't access Bitcoin too much, this is because infrastructure is still limited because crypto access really requires internet networks and computer devices such as smartphones and various other sophisticated hardware.
While people in third world countries don't have the best infrastructure to work with, they definitely aren't lagging behind to the degree most people here think they do. I was of impression that everything was shit over there as well, but they have been forced to conveniently work around certain problems when it comes to payments, and it does seem to work.
Sure, not as good and cheap as Bitcoin would allow them to conduct payments, but it works for them. I can't wait for LN to be up and running to the degree these people can easily enjoy the best possible payment infrastructure and for the lowest possible cost. It requires just one large exchange to tap in and you'll see the rest follow because they don't want to be left behind. It will be a domino effect for the benefit of the world.