🎓 Doc Freemo :jpf: 🇳🇱Because that term violated the GPL which could not be changed because the license was viral.
The text from Wikipedia was clear on that I think.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.