This tracks: years ago I saw a CS report on the prevalence of programming bugs in Excel spreadsheets that found about the same number of bugs per LoC-equivalent as in Visual BASIC written by low-proficiency programmers. Spreadsheets encourage spaghetti code and opaque variable naming: meanwhile spreadsheet debugging tools are stuck in the stone age (i.e. 1970s). The defect rate goes down in organizations where spreadsheets are developed by the IT department, not MBAs …
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