With reference to What is the closest airport to the center of the city it serves?, but also to other formulations of the same idea (biggest sausage in Germany, loudest annual city festival, biggest hole in the ground, etc), are these suitable questions or should they be closed or deleted?
- Finding extremes of things in an area or the world is difficult
- People posting answers cannot know if they have the ultimate answer, they only know an answer which satisfies the criteria.
- Finding the best answer requires evaluating the many answers which have been posted
- This necessarily generates a lot of answers. In this case the question was very quickly protected and people with additional relevant answers, resorted to posting them in comments.
- Those comments were then moved to chat.
- A bunch of answers many with early votes favouring the lead even when they were obviously not the best answers.
- People don't really read through piles of answers to find the best ones
- The question sprawls and devolves
In my mind, this question cannot generate the best answer without generating a lot of answers. In this case evaluating the answer at least has some objective parameters, but this isn't always the case. Protecting a question is a useful tool to stem the tide of cruft when quality answers already exist, but in this case the question remains effectively un-answered.
I see two possibilities - the first that this question is just generating noise, is a poor question, and should simply be deleted. It doesn't have the best answer, as yet, and the protected status of the question is just frustrating that resolution. In fact, some of the better answers here were late answers, specifically because you can usually keep digging to find an even more [whatever] thing when the object is to locate extreme examples of something.
If the question is not a bad question, though, and its only crime is generating a lot of (good and relevant) answers, then it should probably not be protected. The existing answers are not noise, not "me too" cruft, and not simply repeating existing answers, but are unique and completely on topic.
So which is it? Unprotect and let it continue to develop, or throw it into the dustbin?