A typical image for the affluent society is the literary topos of the Cockaigne, a mythical land of luxury goods.
[1] The concept of the affluent society was borrowed from an economic work by the U.S. economist John Kenneth Galbraith called The Affluent Society and appears only sporadically in sociological or socio-critical works.
Open poverty in the U.S. entered the public consciousness in 1962 with the book by the left-wing Catholic Michael Harrington The Other America.
For example, Gabriel Kolko's thorough study of income and wealth distribution over several decades found a stable persistence of poverty, and even rather a tendency for the poorer class to grow.
In principle, however, it should be clear that a solution to the social problem cannot be expected through market processes alone.