Indubitably. Not taking anything away from Iron Mike, but take just one of those segments and analyze it: QUOTE: "5pm: 2000 sit-ups; 500-800 dips; 500 press-ups; 500 shrugs with a 30kg barbell and 10 mins of neck exercises. 7pm: steak and pasta meal " That works out to around one rep every 2 seconds, for 2 hours straight with no breaks. Impossible, to put it mildly.
Lewis had some period of decline before reaching his prime, his mental prime and physical prime didn't match.