In a post about the relicensing option from the GNU Free Documentation License to Creative Commons Attribution-ShareAlike, Richard Stallman writes:
If a wiki site exercises the relicensing option, that entails trusting Creative Commons rather than the Free Software Foundation regarding its future license changes. In theory one might consider this a matter of concern, but I think we can be confident that Creative Commons will follow its stated mission in the maintenance of its licenses. Millions of users trust Creative Commons for this, and I think we can do likewise.
Sounds like a strong endorsement from someone with demanding standards.
And seems like an opportunity to shill for donations to Creative Commons. They are running their annual fundraiser right now, and for $50 ($25 for students) you can become a member of the CC Network, which allows you to …