You never know what unexpected benefits will arise from something which is good. Here is a good example related to Creative Commons licensing.
Nobody could have predicted when creating an open licensing option, or when using one in publishing a book, that it would change the entire atmosphere of a U.S. Navy ship from “the three B’s” (beer, babes, and bodily functions) to an intellectual discussion of some openly licensed works of fiction, the license on those work of fiction, and even discussion about the state of our copyright law any how it should be changed.