Your question effectively shows a common misunderstanding: closed doesn't mean "go away". Closed questions can be reopened if they are improved. But until they are improved, they remain closed.
The root of this problem is the fact that "closed until improved" and "closed because it's a duplicate/not really a question/etc" are all under the heading, "closed". That is a problem that needs to be resolved.That is a problem that needs to be resolved.