He's working on something big while getting us used to him as a "harmless" practitioner of mind-control powers.

I was actually thinking that whilst watching the 'politely talking someone out of his personal possessions' clip. 'Oh, it's all right, it's Derren Brown, he doesn't really use his powers for evil.' BUT WHAT IF ONE DAY HE DOES?

We really need to start worrying if he and Obama start hanging out one day.