Well, that's just the thing. Whether (we) programmers like it or not, the only relevant measure of quality in a program is whether it does the thing that the us

Well, that's just the thing. Whether (we) programmers like it or not, the only relevant measure of quality in a program is whether it does the thing that the user needs it to do. In other words, "functional standards" is the only type of quality standards that you could ever expect to have for software. Things like code quality and inner loop optimization are largely irrelevant for the people who are using the software.