If any sort of error is inexcusable, it's an incorrect phone number. One of the cardinal rules of copy editing is that every phone number published must be checked.
Ensuring accuracy in published information is crucial, especially when it involves contact details that can affect communication and trust. An incorrect phone number, though seemingly minor, can lead to missed connections and inconvenience. This quote highlights the importance of meticulous attention to detail in editing and publishing processes. It reminds us that even small errors can undermine credibility, emphasizing the need for thorough verification to maintain professional standards and reliability.