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Yup. Same thing for scientists who "irrationally" refuse to give up on a theory when it seems to be contradicted by experimental results. Sometimes, a good scientist's intuitions - e.g., about the predictive value of "beauty" or "elegance" in a theory - turn out to be correct
Something almost identical to that happens all the time in math. People work on stuff that has no practical application, just because it seems cool. And invariably it turns out to have practical applications, eventually.
One of the most incredible cases of this was Claude Shannon with the development of information theory
Did he think that had no practical applications? That would surprise me.
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