The idea of paying out money of cash for mobile services is progressive. But if a man hasn't money to pay loans than I suppose he just wouldn't put the money for phone.
When there is no money, this is the second problem. Therefore, I believe that those who do not have money, can not even afford to buy bitcoins, since its price is not small even now.
Of course, those who have no money can not live in Bitcoin anymore, and those who are poor are those who need government support