The implied claim behind your question is unfalsifiable.
Unless someone comes up with hard evidence that Oprah, e.g., supplied the "roofies" (drugs to knock out the victims), it will be impossible to prove that she did anything but "try to help these young starlets establish useful contacts with powerful men in the industry."
Regards,
Why would Oprah want to help unknown actresses?
you are right about her doing nothing wrong in a court of law but my interest is not going after her legally because like you said none of this is illegal activity. this is more about letting everyone know who Oprah is and what her morals are. I don’t know if she has played the game of being a stalking horse for the rich and powerful but if she has I want everyone to know.