The automobile analogy seems to be closest to the truth. If a car is consistently run at red line for an extended time, the engine is going to fail at some point. Firing an excessive amount of fullest house Magnum loads for a similar extended time will no doubt cause a 29 to eventually experience a form of mechanical failure. Running any device at it's max limit all the time is a self fulfilling prophecy, but is in no way evidence of a specific car, pistol, or widget being inferior.

And as far as using Hollywood as a reliable source for factual information ...