Board Thread:General Discussion/@comment-45534093-20200604153031/@comment-168424-20200608190453

GPL is a forcibly free use license as far as I know, so many commercial companies don't like to use it. MIT License is a pseudo free license in that it comes with some restrictions, but is otherwise quite popular. Being compatible doesn't really mean anything if you aren't allowed to use the license. As far as I know, no FANDOM wikis have the MIT License.

Only FANDOM staff can say what licenses outside of CC-by-SA are allowed and most of those were for wikis acquired by Wikia and did not get to choose the different license if they were created at FANDOM.