I never thought we allowed these in the first place. Any that are still open (no matter how numerous they may be) are likely oversights.
I don't see any reason to keep these open. We should be hosting quality content that helps gamers solve problems on our site, not merely serve as a repository of links to quality content elsewhere.
LessPopMoreFizz's answerLessPopMoreFizz's answer to a separate question asking about why we closed a specific case of this is a good resource here. Guide questions are bad at being questions, although linking to a guide my be a viable addition to an answer. That decision, however, should be the answerer's, not the asker's.