Again, no actor on Earth fakes their personality traits universally. ... Instructions from producers like "Be excited when he asks you about the movie. And don't bring up [incident]" aren't enough subconscious information to fabricate a personality type when playing a game on The Tonight Show, for example. ... Celebrities are people. Maybe 10% of them have weird-ass Enneagram-related traumas/stories (like Aubrey Plaza) that drastically shapes the second-by-second "micro" decisions made in a conversation. But most do not. Most celebrities can be typed with a few interviews, especially unstructured interviews where the producers would have a minimum amount of input/direction to provide.