Docins
RBC has been lucky! Never try to decap an unfired primer! As the manufacturers keep pointing out, these things are designed to explode. They don't need much encouragement.
I know, I'm a Yankee, and my wife is Scottish, and we hate to waste anything, but the risk ain't worth it. You can fire them outside, or in your garage, or even into a fireplace safely. Just remember that you are generating gasses that are significant within about six inches of the muzzle.