It's an example of "aim low". Because of the context, the interviewer's subjects make the mistake of overthinking the solution, which is simpler than they guess

It's an example of "aim low". Because of the context, the interviewer's subjects make the mistake of overthinking the solution, which is simpler than they guess. It's sort of like the sequence OTTFFSSE, which appears on many brain twister quizzes -- what do the letters mean? Don't overthink it -- they're the first letters of One, Two Three, etc. up to Eight.