She asked him on her show and he agreed. They sent paperwork on which he was supposed to say all the things he admired about her, etc.
Yeah, I’m sure he had to sign away all kinds of rights and agree to rub her ass and tell her she’s wonderful or she could sue him for breach of contract. The last thing I’d want is footage of me out there loving on Oprah that would be used against me effectively forever (because after you’re dead, you don’t care). I would pass.