WikiPolice: "This question is subjective, you should make it CW"
Newbie: "How do I do that?"
WikiPolice: "You check the Community Wiki box"
Newbie: "Where?"
WikiPolice: "Under the question, stupid"
Newbie: "But there isn't one!"
WikiPolice: "Yes there is, look it's ... oh..."
WikiPolice #2: "It's okay, this question has 25 answers already, when it hits 30 it goes CW."
WikiPolice: "Yeah, or we can edit the question till it becomes CW."
WikiPolice #2: "Yeah! We saved the day again."