Unless the definition of “actual harm” was meant to contain this sentiment, it’s sufficient for a counterexample to the general point you expressed above to merely be an idea that causes harm by occupying space in a brain, regardless of whether it’s a true basilisk or not.
Unless the definition of “actual harm” was meant to contain this sentiment, it’s sufficient for a counterexample to the general point you expressed above to merely be an idea that causes harm by occupying space in a brain, regardless of whether it’s a true basilisk or not.