Great title; really exposes who didn't even bother reading and just goes straight out typing words
If you're wondering: the article (and the original article by Dan) is not talking about software debugging tools or techniques. Not at all. (Systematic) Debugging here is used in a loose meaning: the process of (re)reviewing information at hand and finding gaps and errors in your understanding — "to start at the symptom of a problem and trace backwards to find the source"