It is like no one (especially in the perpetually myopic New "Left") has ever seen a stage magician do sleight of mind.
You're mixing up your metaphors, it is sleight of hand not sleight of mind. Yes sleight of hand works because of theory of mind and sometimes people forget to shift to dozens of perspectives around the room and not get attentionally locked.
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But who am I to talk about Joel. I was about to write down Your instead of You are, or You're...I caught it in time, and thus I could never put down this paragraph but I am pointing out all human flaws and even I make them all of the time... We all make mistakes.