My Sawstop's Safety Brake Went Off For No Apparent Reason? Turns Out To Be Totally My Fault ...

INCRA Miter1000/HD Miter Gauge https://amzn.to/35gB7t4
SawStop Table Saw Brake Cartridge For 10" Blades https://amzn.to/2FemN9Q
Forrest WW10407125 Woodworker II https://amzn.to/32abiJc

I was using my Sawstop table saw this afternoon and, with a loud bang, my saw blade disappeared! Turns out that, for the first time in 11 years, the emergency brake system had engaged, destroying itself and my blade in the process. The real story, however, is *why* it went off and how it's all my fault ...