And what are we talking about 0.0001% of all homes ever built? Even less? Someone can always come up with a contrived example to find a short coming in a rule

And what are we talking about 0.0001% of all homes ever built? Even less? Someone can always come up with a contrived example to find a short coming in a rule or law. That doesn't make the law not sound or wise. "Speeding shouldn't be illegal. What if there is a tornado behind you and you need to rush to get away from it, but you go faster than the speed limit to save your life? See, we can't have laws for speeding."