Some countries, on the contrary, do not benefit from the knowledge that the population is literate. Otherwise, who will perform the rough work. Perhaps with robots, the need for heavy physical labor will disappear and then we will be able to talk about the education of poor people.
On my own opinion there is no such people we call poor.Its just they are not lucky enough to have a good job with good salary.Eduaction may change the flow of there life.But i think its not also good if all of as will be rich.3 level of life style High class,Middle Class and Lower class.Im not prefered to call low class as poor people.its just too rude to say that.