Our job is to think about problems and solve them, I'm in completely agreement with GP
My wife teaches doctors, and so much of what she does is giving them rules of thumb much like this one.
edit: I want to note that I'm pretty ambivalent on the actual advice of the article, just commenting that doctors in my experience have a truly astounding collection of rules of thumb
There are no shortcuts in life. You need to work at it. Cognizant practice got me there, and I think it will get you there, too.
I get people asking me how to become a programmer all the time -- and I always say the same thing: You can't talk about it, you need to do it. You need to write programs, writing software will make you a better programmer.
Have opinions on how to write good software, be open about these opinions, but also be aware that they could be bad opinions, misinformed, or lacking greater context.