<i>but can also be impossible if the author doesn&#x27;t approve the derived work</i><p>But the right to refuse derived work is just as essential to justice as the right to royalties on creative work. For example, Kurt Vonnegut had (and his estate has) the moral right to say &quot;no!&quot; to a neo-Nazi that wants to &quot;remix&quot; Harrison Bergeron into a new story promoting racism.