Why stop there? Your summary boils down to "just exist". The linked article is incredibly detailed, much more so than 90%+ of articles that pass through HN. It

Why stop there? Your summary boils down to "just exist". The linked article is incredibly detailed, much more so than 90%+ of articles that pass through HN. It talks about nuances, e.g. that copy-paste mistakes more than likely happen on the last line as opposed to any other line. Claiming it can be replaced with a two word phrase is wildly incorrect.