These same photographers complain that people don't value their work -- that they aren't willing to pay their rate when they do decide to charge. Yet they continue to do shoots for free to gain "exposure", only to attract more people who are only interested in free work. Where does it end?
This debate at its heart is about where to draw the line on spec work. Some designers have a hard time standing firm on their principles if a particular assignment -- and potentially their livelihood -- is on the line.