Just because some people choose to live in their own reality in their mind and reject objective reality outside their mind has no bearing on whether an objective reality exists. What a sad age of fallacies and confusion we live in where people even deny that they exist!

The psychiatrist opens the scientist up to the idea that the schizophrenic person, in his psychosis, may have insight into certain ideas which sane people do not, which nevertheless still may apply to them.

And a random dice roll (or tarot card reading) may sometimes correctly guess the number I’m thinking of. Doesn’t mean it’s generally useful.