List questions are generally not constructive questions for our site. They can be incomplete, out-of-date, and there can be a lot of noise. They are questions with "no right answer", so they are a bad fit for our site where the goal is to find one right answer. See the FAQ for more guidance on questions that are not good fits here.
This is a generic StackExchange policy, but it is open to discussion in Meta. If you (or anyone) thinks that we should change this policy, then we need to have a public discussion and come to a consensus. Your example from CStheory is permitted on that site because they feel those questions are necessary for their site to function.
The "5 Vote Rule" is a method of involving the community in moderation duties, such as closing questions. On borderline questions, a mod might defer their binding vote until more users vote, but this is up to their discretion. Also, keep in mind that while only one moderator's name shows up, that doesn't mean that other moderators can't agree with the action as well, or that there was no other community input. Would you feel better if five mods closed your question? Personally, if I think that a question fits one of the close reasons, I will close it.
The other part of your question is subjective (in my opinion) so I'm not planning on voting to re-open.