> What actually prevents bugs at scale is boring stuff: There is a layer above this: To understand, really, what are the requirements and to check if are deliv

> What actually prevents bugs at scale is boring stuff: There is a layer above this: To understand, really, what are the requirements and to check if are delivered. You can have perfect code that do nothing of consequence. Is the equivalent of `this function is not used by anything` but more macro. But of course, the problem is to decipher the code, where what you say helps a ton.