1) At my job we have a Word Template to fill in and send to our boss every Friday. At a previous job we just created an email answering: What did you work on this week? What are you planning on working on next week.
Joel built his business by relating Microsoft gossip and telling programmers what they wanted to hear. It's a marketing blog. Now that his customers are businessmen, he's telling them what they want to hear, in a forum they're likely to read.
I'm not questioning anyone's credibility. I made a statement about the article's redundancy with a work that many HNers might read or have read. It's the same guy talking about the same topic, so he could reasonably be expected to say the same or very similar things.
"Typically, self-plagiarism is only considered to be a serious ethical issue in settings where a publication is asserted to consist of new material, such as in academic publishing or educational assignments [13]. It does not apply (except in the legal sense) to public-interest texts, such as social, professional, and cultural opinions usually published in newspapers and magazines."
Dane Maxwell makes $500K a year from his bootstrapped Saas businesses. He also runs a program called: "The Foundation"