For questions which the answer is currently known, but likely to change in the future, should I ask in a way that the immediate answer closes the question? Or write in a way that the question remains open, so people know that there's a consensus but the permanent answer might change later to a more permanent one?
e.g. "How to crack GPG encrypted file?" "How to crack wifi WEP?" "How to crack wifi6 WPA2?"
For the first question, the answer is "impossible" and it is unlike to change soon, but it is possible that it change. For this example, the "answer today closes the question" option sounds good.
For the second and third ones, the answer was "impossible" at some point, but possible and common knowledge today. Today someone might still answer wrong, and quote the previously answered question.