the wording of this guideline has been confusing for many users (including myself early on), but this has not been the community consensus or general practice. I’ve actually started a discussion on changing the wording here to make it clearer (as well as some of the other points you’ve raised here)
these do fall under the second use case, namely it’s “a release intended to promote an upcoming official release”, such as The Resonance I, which was released a few days early on Patreon