This is analogous to physical security doors. They are considered passive security, since they are a deterrent, and are rated by the numbers of hours they are expected to hold up against hand tools.

Is it still true that nation states are at the forefront of innovation and the largest security threats? At least in the United States, I'd be surprised to learn that their best and brightest minds are working in three letter government agencies when they can work in industry for more money and less bureaucracy.

> Main goal of security through obscurity is the hindrance

No, the main goal is to obfuscate just how incompetent the authors of the spec are, and how clearly they illustrate Dunning-Kruger.