User blog comment:MisterWoodhouse/The Future of Gamepedia/@comment-26465213-20201104230730/@comment-30755067-20201105220806

It's decided between the two wikis, I suppose. One of them likely has better quality articles or a more complete database of content. If they're both really equal, then it doesn't make much of a difference I suppose, but still it's discussed with the leadership of both wikis I believe.