I've never really understood this logic, primarily because as a theory it's not really falsifiable. If the concept could be applied to anything then it has lost all normative powers.

Should we positively reinforce people who jump of cliffs convinced they have a novel scientific theory of gravity that will allow them to fly? Presumably not. Then presumably we should take a similar view of those who attempt things that are similarly scientifically impossible, even if said impossibility is less obvious to a lay observer.