As I read that page, role="presentation" is intended to remove the natural semantics of a tag (e.g. have an <h2> be treated as a <div>), rather than to tell the

As I read that page, role="presentation" is intended to remove the natural semantics of a tag (e.g. have an <h2> be treated as a <div>), rather than to tell the user that there is nothing relevant to them in the given tag?