Oh, yes, Adam Smith, Malthus, Ricardo and Mill all were concerned about the fact that in their analysis the natural evolution of capitalism is, in the long run, declining profits and wages and increasing rent, with misery for all, unless population growth is curtailed. We discussed this in Colman's diary about the iron law of wages.

A society committed to the notion that government is always bad will have bad government. And it doesn't have to be that way. — Paul Krugman