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Every claim below was made in this piece, quoted word for word and numbered in the order the piece makes them, so you can read it there rather than take our word for it. The sentence above each quote is our reading of the claim, not their wording. Each quote was checked against a stored copy of the page at build time; where the two differ, the quote is the fact.
Their wordsIf I had to guess, I'd say I probably work around hundreds of bugs in an average week, and thousands in a bad week.
Our reading
How much to test is an economic calculation a team should actually run, not a matter of principle.
Mental modelTrade-offs
Their wordsThe point isn't that you should definitely write more tests, it's that you should definitely do the math to see if you should write more tests.
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