> It leads me to believe that the restrictions described do not apply to them. Which restrictions? The table of delays is on the same page as "six-digit, four

> It leads me to believe that the restrictions described do not apply to them. Which restrictions? The table of delays is on the same page as "six-digit, four-digit, and arbitrary-length alphanumeric passcodes", about 3 paragraphs away. If this is what you're referring to, I see no reason to believe PINs vs. passwords are treated differently.