Earlier quoted context omitted.
They don't have to be 100% right but say an accounts system must reconcile.
A google query? What does it even mean for a google query to be "100% right"? I'm not sure that's even a thing. But I think you misunderstand software engineering and the nature of engineering skill or fields of experience. There may be no such thing as "100% right" when it comes to which hits are included in the result set for a google query, but I have no doubt that nearly any google engineer needs to write all sor…
Sorry after having been one of my country's 3rd line osi team I take a fairly hard line on correctness.