Are you saying that if a manager withholds crucial information once, that they must be a bad manager? Or if a developer ships a broken build build once that th

Are you saying that if a manager withholds crucial information once, that they must be a bad manager? Or if a developer ships a broken build build once that they are therefore "bad"? Or that if a salesperson sells a product that doesn't exist they are bad? I can easily see a good manager withholding crucial information because they didn't realize it was crucial (or think that the development team would have time to take it into account), a developer accidentally shipping a broken build late at night one time, or a salesperson selling something that doesn't exist (but getting a better understanding of what customers would pay for as a result). One mistake does not mean that you are overall bad at your job.