Only let the OP add new title candidates, but then use reddit voting to select the replacement?

Probably still game-able, though

When gaming online, Chinese players sometimes type “99” or “9898”, and I learned it means “go! go!” or “let’s go!”

That video is super, super wrong, and nowhere even close to “just a different perspective”. To demonstrate, Mercury and Venus should periodically come between the Sun and Earth, but that’ll never happen in that model.