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When I started studying computer science, my father asked me what I learned, so I told him about Turing machines, trying to explain the whole thing, that they are a mathematical model for computers etc. But he didn't believe me and insisted that a Turing machine was an actual piece of hardware built by Alan Turing. As much as I tried making it clear that Turing machines are a theoretical model, he was trying to explain to me that they are not. A week later when I met him he spent some time "fathersplaining" the life of Alan Turing to me. He had probably tried to read about Turing machines online (this was before Wikipedia), didn't understand a single word, and so read Turing's biography instead.
He was probably thinking of the Bombe, which broke Enigma's encoding.