This decision doesn't refute the parent poster's point. The suspect always had the right to remain silent and the right to an attorney. The decision just affirm

This decision doesn't refute the parent poster's point. The suspect always had the right to remain silent and the right to an attorney. The decision just affirms that you have to explicitly stop the questioning by speaking your intention of that. The minority felt 2 hours of silence and badgering by the suspect indicates a wish to stop the questioning and invalidate further coercive measures to extract testimony.