Object Mentor Blog: Let's Hear it for the Zealots!

Let's Hear it for the Zealots!

Uncle Bob — Tue, 10 Mar 2009 16:58:00 -0500

In his March 1st, 2009 column in SDTimes, Andrew Binstock takes the “Zealots of Agile” to task for claiming that Agile is the one true way. He made the counter-argument that non-agile projects have succeeded, and that agile projects have failed. He implied that the attitudes of the agile zealots are blind to these facts.

What a load of dingoes kidneys!

There is a difference between a zealot, and a religious fanatic. A religious fanatic cannot envision themselves to be wrong. We in the agile community may indeed be zealots, but we know we can be wrong. We know that projects succeeded before agile, and we know that agile projects have failed. We know that there are other schools of thought that are just as valid as ours. Indeed, most of us expect (even hope!) that agile will be superseded by something better one day.

Some of you may remember my keynote address at the 2002 XPUniverse in Chicago. My son, Micah, and I got up in front of the group dressed in Jiu Jistsu garb, and commenced to do a martial arts demonstration.

After the demonstration I made the point that a student of Karate could have given an equally spellbinding, though quite different, show. A student of Tae Kwon Do would amaze us with still other wonderful moves. The morale, of course, was that there are many ways to get the job done. There are many equally valid schools of thought.

However, the knowledge that there are other valid schools of thought does not dilute the zeal a student has for the school of thought he has chosen to study. Do you think that a Jiu Jistsu master isn’t a zealot? You’d better believe he is! To be great, one must have zeal. To rail against zeal is to rail against the desire for greatness. It is zeal that makes you go the extra distance to become great. The Jiu Jitsu master may respect the Karate master, but his goal is to become great at Jiu Jitsu.

So I think it is healthy that agile proponents are vociferous advocates of their school of thought. They are like Karate students who are excited about their new skills, and want to teach those skills to others. If their zeal to excel can infect others with similar zeal, so much the better. We need people in this industry who want to excel.

In his column Andrew derided agile zealots for claiming that Agile was the one true path. I don’t know of any prominent agile advocate who has ever made that claim. Indeed, when Kent Beck and I sat down in 1999 to plan out the XP Immersion training, we were very concerned that we might turn the XP movement into a religion. We did not want to create the impression that XPers were the chosen people and that wisdom would die with us. So we were, in fact, very careful to avoid any hint of the “one true path” argument.

As evidence of this, consider the Snowbird meeting in 2001. That meeting was inclusive, not exclusive. We invited people from all over the spectrum to join us there. DSDM, FDD, Scrum, Crystal, MDA, & RUP were all represented; and the agile manifesto (Yes, Andrew, Manifesto![1]) was the result. That manifesto was a simple statement of values, not a claim to deific knowledge.

Am I an Agile Zealot? Damned right I am! Do I think Agile is the best way to get software done? Damned right I do! I wouldn’t be doing Agile if I didn’t think it was best. Do I think Agile is better than someone else’s school of thought? Let me put it this way: I’m quite happy to go head to head against someone who follows another school of thought. I believe I’d code him right into the ground! Isn’t that what any good student of his craft would think? But I also recognize that one day I’ll lose that competition, and that will be a great day for me because it will give me the opportunity to learn something new and better.

Andrew also mentioned that Kent Beck and I are so obsessed with our “evangelical fervor” that we: “endlessly test and endlessly refine and refactor code to the point that it becomes an all-consuming diversion that does not advance the project”. WTF? I’ve been making monthly releases of FitNesse, and Kent has been cranking out releases of JunitMax; neither of us has been so busy gilding our respective lilies that we are failing to move our respective projects forward. Look around Andrew, we’re shipping code over here brother.

As part of his rant against our “evangelical fervor” Andrew asked this rather snide question: “I broke up that code into a separate class and added seven methods for what benefit, again?” This would appear to be a dig against refactoring – or perhaps excess refactoring. Still the question has a simple answer. We would only break up a module into a class with seven methods if that module was big, ugly, and complex, and by breaking it up we made it simple and easy to understand and modify. It seems to me that leaving the module in a messy state is irresponsible and unprofessional.

Andrew complains that there is very little Agile experience with projects over six million lines of code. I’m not sure where he got that number from, perhaps he’s been watching Steve Austin re-runs. Actually, the majority of my 2008 consulting business has been with very large companies with products well over six million lines of code. Agile-in-the-Large is the name of the game in those companies!

Finally, Andrew says Michael Feathers is a “moderate” Agile proponent. This is the same Michael Feathers who wrote a book defining Legacy code as code without tests – hardly a moderate point of view. Michael is a master, not a moderate.

I think Andrew has fallen into a common trap. He sees the zeal of the agile proponents and mistakes it for religious fanaticism. Instead of respecting that zeal as the outward manifestation of the inward desire to excel, he rails against it as being myopic and exclusive and then views all the statements of the agile proponents through that clouded viewport. Once you have decided that someone is a religious fanatic, it is difficult to accept anything they say.

I think standing against religious fanaticism in the software community is a good thing. I also think that those of us who are zealous must constantly watch that we are not also becoming blind to our own weaknesses and exclusive in our outlook. But I could wish that those who fear religious fanaticism as much as I do would stop confusing it with professional zeal.

So here’s the bottom line. People who excel are, by definition, zealots. People who aren’t zealous, do not excel. So there’s nothing wrong with being a zealot; indeed, zeal is a very positive emotion. The trick to being a zealot is to be mindful that the day will eventually come when some other zealot from a different school of thought will code you into the ground. When that happens, you should thank him for showing you a better way.

¹ I kicked off the Snowbird meeting by challenging the group to write a “manifesto”. I chose the word “manifesto” because some years earlier I had read The Object Oriented Database System Manifesto and I thought it was a clever use of the word.

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