This seems a bit like saying that there is no such thing as debugging because applications still have bugs afterward. I agree with the overall thrust that the s

This seems a bit like saying that there is no such thing as debugging because applications still have bugs afterward. I agree with the overall thrust that the security through obscurity is unreliable, but it is something, and it has even been effective to a limited degree on many occasions. (For example, many video game companies have employed defeatable security-through-obscurity successfully, because they only need to hold off the crackers for a couple of weeks.)