For me, the lessons would be: 1. Always question the conventional wisdom. That's what needs to be disrupted. 2. Every great innovation that makes someone famo

For me, the lessons would be: 1. Always question the conventional wisdom. That's what needs to be disrupted. 2. Every great innovation that makes someone famous or rich always involves some guy who's been plugging away for years on his own without any notoriety or wealth (In this case it was Bill James, who invented "sabermetrics" while working as a night watchman).