To a writer, that's as good as an invitation to send something in. If the magazine states categorically that no unsolicted manuscripts will be read, it means just that. Don't waste your time and money sending material to these magazines - it will not be read. One ray of hope - the story may still be suitable for another magazine. It's a good story but for whatever reason it doesn't grab that particular Editor.
Editors are human too and they have likes and dislikes when it comes to stories.
Just remember that a good Editor knows exactly what their readership like to read and that is what they'll choose to publish. Conversely, there are several reasons why awful manuscripts are published. The author is already established. The senior Editor adores the story and pushes it through. The story was commissioned before it was written.