> Productivity of artists can be measured if they are reduced to wall painters Even wall painters are surprisingly hard to measure. Painting the wall without n

> Productivity of artists can be measured if they are reduced to wall painters Even wall painters are surprisingly hard to measure. Painting the wall without noticing issues with the underlying preparation will cause an unhappy customer at the end. Painting the wall with the color the customer has chosen without making sure the customer realizes that the color looks WAY darker on an entire wall compared to the small sample, will also lead to an unhappy worker. It's very popular to think there are other professions that are easy to measure, and yet it's never your own productivity that can be measured. It's madness that we aren't just saying that productivity of ANY KIND is damn hard to measure!