This well-circulated essay explains in some detail what he means by "poor": https://whatever.scalzi.com/2005/09/03/being-poor/ https://whatever.scalzi.com/2005

This well-circulated essay explains in some detail what he means by "poor": https://whatever.scalzi.com/2005/09/03/being-poor/ https://whatever.scalzi.com/2005/09/03/being-poor/