Should a psychic be shunned forever after a prediction failure because such implies that they do guesswork?

Chile hired 4 psychics to find the trapped miners. Before they were found, the psychics all said they were dead. What are the names of these “psychics”? Shouldn’t a psychic be shunned forever after such a failure because it implies that they do guesswork?

The Chile situation is not the first time hired “psychics” have been wrong.

There is also the case of that girl in Utah who was kidnapped and who was missing for a year before being found. While she was missing, both the “psychic” and the “remote viewer” that the family hired, said that the girl, Elizabeth, was dead.

Is there a pattern emerging? Do psychics just predict what is most probable? Once a psychic says something with conviction and is proven wrong, shouldn’t they be publicly shamed? Shouldn’t people only say things with conviction, when they know they are absolutely right?