No, because sex is ultimately about the type of gamete you produce, sperm or egg, and there are only the two. People with DSDs still fill the same role in repr

No, because sex is ultimately about the type of gamete you produce, sperm or egg, and there are only the two. People with DSDs still fill the same role in reproduction. A male person with ambiguous external genitalia who appears female to a quick exam could still father a child for instance.