Yes, and the concept of fair usage implies that it should not be used for profit. If it is used for profit, then a transaction between Wikileaks and the publisher should take place.

If you perform in a public venue, say busking, and someone takes your performance and puts it on a CD of DVD for distribution and profit, does the publisher owe you a cut? He has stolen your labor, even though it was freely shared. He has gone outside the implied contract of the usage.