Remember that a lot of people who don’t code as a profession end up doing it as part of their work (just as a lot of people who do not have “writer” in their job titles, and who didn’t major in English, end up doing a lot of writing for their jobs).

One of the most horrifying pieces of Perl I had to work on was written by a biologist who knew just enough Perl to translate certain information from File Format A to File Format B. Or at least, he thought he knew just enough Perl....

A lot of businesses depend on complicated Excel spreadsheets whose authors don’t realize that they are programming.