Correct me if I'm wrong. Isn't the force necessary to move the bullet from the completed cartridge called "bullet pull"? Isn't the majority of bullet pull attained from neck tension and not crimp? If these ideas are true I am amazed at the number of people who think crimping the living day lights out of a bullet will solve bullet pull problems and improve accuracy. I've seen way too many bullets that look like the posters picture because of the idea that crimping plays a big part in bullet pull. I'm of the opinion that it doesn't and as Unclenick stated it can have the adverse affect if carried too far. I'm off my rant now.
Cary