She also started out as one. There's seemingly only a brief window where the world in Sailor Moon is normal while the fated magical dictator of everything is still a child after being reincarnated, while both before and after that it's some sort of bizarre magical nightmare hell, since even the supposed utopian future bit seems to just be a tiny isolated island of magical space crystals of ontological good in a desolate post-apocalyptic wasteland.

The real question is how the world wound up normal after the magical Earth vs Moon war ended up with the Moon princess doing the Third Impact in retaliation for the invasion of the Moon.