I think he makes an assumption that is fundamentally incorrect in the vast majority of cases: that the people owning the programs care about specification.
There is a huge, dark-matter body of software development that goes on in the world under the thumb of megalomaniacs whose only metric of productivity is how much unpaid overtime his programmers are working.
There is a huge, dark-matter body of software development that goes on in the world under the thumb of megalomaniacs whose only metric of productivity is how much unpaid overtime his programmers are working.