I have tried explaining some of this complexity to people when discussing Y2K (usually them rolling their eyes at the naked cash grab by overpaid consultants an

I have tried explaining some of this complexity to people when discussing Y2K (usually them rolling their eyes at the naked cash grab by overpaid consultants and me arguing that while there clearly was a gold-rush there were also real problems that got fixed which was why the stuff wasn't breaking left, right and centre).