His family claimed person in the video is not Kubrick:
In a statement released through a spokesperson, the family made it clear the film published on YouTube was a complete hoax, using an actor who was purporting to be the Clockwork Orange film director.
The statement on behalf of his widow Christiane Kubrick said: "The interview is a lie, Stanley Kubrick has never been interviewed by T.Patrick Murray, the whole story is made up, fraudulent & untrue.”
His family claimed person in the video is not Kubrick:
https://www.express.co.uk/news/science/626119/MOON-LANDINGS-FAKE-Shock-video-Stanley-Kubrick-admit-historic-event-HOAX-NASA