I didn't include the reading of 1070.
You are certainly the expert on this topic and I am horrendously under-informed.
It seems, though that the rule should stand on its own merit and not rely upon another rule for its interpretation. It would be easy enough to fix.
That last statement has nothing to do with shooting black powder weapons. The issue was clearly resolved in your post. It is more a point of "english" than shooting safety.
My reading of history convinces me that most bad government results from too much government. Thomas Jefferson