That's precisely what I claim: that it's very difficult to measure. Yet it doesn't say it's not objective. It's not subjective, as is a matter of taste; it's a

That's precisely what I claim: that it's very difficult to measure. Yet it doesn't say it's not objective. It's not subjective, as is a matter of taste; it's a matter of fitting the requirements of the mission or organization. Looking at it in other professions, it can be easy to say who's a better mover - they transport more items in a given time, with less property damage. Or better plumbers, or better painters. Or better investment bankers. Or indeed, better salespeople. If it's possible for those professions, it can also apply to IT.