Jesus, the advice is perfectly clear. It doesn't require logical dissection. If you are unable to choose between two candidates, pick the candidate who

Jesus, the advice is perfectly clear. It doesn't require logical dissection. If you are unable to choose between two candidates, pick the candidate who is a better writer (as opposed to a better lumberjack). It assumes that your original method of choosing did not take into account writing proficiency, and that one candidate is a better writer than the other.