Board Thread:Support Requests - Getting Technical/@comment-26967806-20150908153233/@comment-24473195-20150908162131

Well, there is an issue with that. Even if they change it to non-commercial, everything uploaded up to the date before  they make such a change will have to use a CC-By-SA license. So someone can for example copy and sell the content  created before the change was made.

Also CC license is irrevocable:


 * See https://wiki.creativecommons.org/wiki/Frequently_Asked_Questions#When_do_Creative_Commons_licenses_expire.3F