This seems serious, although there is a slim chance for it to be an April Fool's Day joke. However, the Facebook privacy-related scandal is not something to joke about, especially when an emerging targeted social network decides to delete its page which has an impressive number of 1.5 million fans.
https://www.notebookcheck.net/Gaming-Tribe-to-delete-its-Facebook-page-on-the-4th-of-July.293772.0.html