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I wonder if car technicians go around making weak analogies with software development to justify their industry practices. Something like: "Why do software developers have compilers? blah blah blah, and that's why we need to keep your tools organized"

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Why do computers have virus scanners? They only serve to slow down the computer and to block some programs from running. This is contrary to the goal of a computer, which is to run programs! But by blocking evil programs, the good ones can run faster, with less disruption.

...and that is why we change our motor oil.

My expeerience is they mostly wants to know as little as possible about computers. Computers are necessary evils to most craftsmen I can think of. And I kind of understand them.

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