The "non-commercial" (NC) option in the Creative Commons suite of licenses introduces more confusion than it eliminates. I wrote a short essay to sum up the main problem, as I see it. This core problem can get lost in discussion of more technical issues. I'm hoping this short statement will be useful to share with well-intentioned copyright owners considering NC. But this "first draft" could probably use your edits or comments! https://freedomdefined.org/The_non-commercial_provision_obfuscates_intent