Yes but it would mean that the following two are both right, if there really is no difference between a genuine mystic revelation and schizophrenia:

- There exists something that cannot be explained by the law of physics

- a schizophrenia label is always caused by genuine mystic revelation

I wasn't under the impression that the quote meant that a genuine mystic revelation would be labelled as schizophrenia, if that was what the quote meant, that doesn't seem like a great hindsight or particularly deep observation to me.