There is probably some correlation between one's profession and fetishes. We already know some programming languages attract certain types of personalities/attitudes so why would that be different elsewhere?
> In 1968, analyst Richard Brandon told the ACM that the typical programmer was "excessively independent ... often egocentric, slightly neurotic, and he borders upon a limited schizophrenia. The incidence of beards, sandals, and other symptoms of rugged individualism or nonconformity are notably greater among this demographic group."