Those are not use cases, those are features. "This device can cook an apple into a perfect plasma." (feature)! Yeah but who needs it (use case)? Beings from th

Those are not use cases, those are features. "This device can cook an apple into a perfect plasma." (feature)! Yeah but who needs it (use case)? Beings from the 5th dimension who eat plasma for breakfast. But even then you would still owe to show the relevance of the use case.