"This being said" sounds like otherwise the metric works. I wonder how. The first two points do not seem right (measuring code commits! Punishing bugs, tracking

"This being said" sounds like otherwise the metric works. I wonder how. The first two points do not seem right (measuring code commits! Punishing bugs, tracking the burn rate as the person's measure of progress!) The last two points are subjective, but the objectivity of the first two points is likely misleading. At the same time, because they are perceived as objective, they are likely to lead the overall measurement of progress. So the example you gave in the last paragraph (of people avoiding blame) does not sounds as an exception, more as a consequence of the choice of progress measurement tools and criteria.