I'm sure there is a cottage industry of people who take creative commons works licensed without the non-commercial attribute and sell them. They aren't making a ton, but they do sell a few and it costs basically nothing to put it up on Amazon.
I'm sure there is a cottage industry of people who take creative commons works licensed without the non-commercial attribute and sell them. They aren't making a ton, but they do sell a few and it costs basically nothing to put it up on Amazon.