He sold millions of razors to the Army at a steep discount, hoping the habits soldiers developed at war would carry over to peacetime.
"Once you realize you are not in any real danger, you can turn and befriend that ogre, " and the insight you gain may carry over into your waking life, he says.
To clarify this point further, if you make manual changes to the virtual system after deployment, those changes will not carry over to the clone because they are not encapsulated in your pattern.