The documentation has long since been changed.

Note that the anon user is able to become root without a password by default, as a development convenience. To prevent this, remove anon from the wheel group and it will no longer be able to run /bin/su.

https://github.com/SerenityOS/serenity/commit/a2a6bc534868773b9320ec3ca7399283cf7a375b (this seems to have also switched to gender neutral language in other parts.'of the documentation and comments as well).

Original drama: https://github.com/SerenityOS/serenity/pull/6814

The FSF doesn’t seem to have teeth when it comes to things like this, instead it’s the SFC who intervenes.

In January, the Software Freedom Conservancy, an open source advocacy group that intervened to help Suhy several years ago, submitted an amicus brief to the Ninth Circuit