That's an interesting point. I hadn't realised Hammock drive development is such a double edged sword. From this point of view, it also doesn't consider programming as a hobby - aimless tinkering and exploring without any particular problem to solve.
In the field of programming, we have many great programmers who praise their workaholic ethics. Do you know some great programmers appreciating idleness? Rich Hickey with his Hammock driven development comes to my mind. Anyone else?