That theory *can* be "the harms are imaginary" so it doesn't matter. Like, if you get rid of all the measures that defend us from hexes placed by evil witches, it's OK to say, "This is safe because evil witches aren't real and neither are hexes."
But you'd better be sure! After all, some preventative measures work so well that no living person has experienced the harms they guard us against. It's easy to mistake these for imaginary or exaggerated.
6/