If your question would be of interest to …
- Professional and enthusiast programmers, ask on Stack Overflow.
Of course, there are some questions that should be asked on Stack Overflow because they are of interest to professional and enthusiast programmers, but that's not the main reason a question should be asked on Stack Overflow instead of Programmers.SE. Indeed, the entire premise for Programmers.SE is... to ask questions that would be of interest to professional and enthusiast programmers.
This part of the FAQ is misleading at best, incorrect at worst, and really ought to be removed.