Right, but security bugs don't all come from the language. They also come from logic errors. That's the "window" analogy here. If the language (door) is no long

Right, but security bugs don't all come from the language. They also come from logic errors. That's the "window" analogy here. If the language (door) is no longer the way people are getting into your house, then that's job done for addressing the language and you need other tools to focus on other issues that now are the problem.