You can replicate it by getting your speed up(Just over 400mph in a p40e) level out, roll 90 degrees, and yank back hard on the stick untill about a half a second after you black out. Some planes, like the fm2, which have a lot to gain from high speed dives reaally do seem to suffer. I believe it's somewhere around 9 or 10g's that the pilot dies, well before any structure gives.
The problem is that if you hit that mark for even a moment, you die. A stick spike, or pulling too hard on the stick for a moment, and you're dead instantly. There is no warning like with the aircraft's parts.
Oh and heinkel, it doesn't prevent high speed stick stirring, It prevents high g maneuvers, stick stirring wont get you to that 10g mark. It takes an attempt at a very high g turn to hit the mark.