Not a faliure, but a predictable weakness of the model that was well known and was brought up several times. Psychohistory cannot model individual eccentricitie

Not a faliure, but a predictable weakness of the model that was well known and was brought up several times. Psychohistory cannot model individual eccentricities, the mule was a huge divide-by-zero trap for the equations. Seldon had the forsight to write an exception handler in the form of the Second Foundation.