Let's say you are interviewing a candidate, and you have had one interaction with him, which was negative, and you know two other people who have worked with hi

Let's say you are interviewing a candidate, and you have had one interaction with him, which was negative, and you know two other people who have worked with him extensively, and they say he is a bad employee. Are you going to say, well, my interaction was a one off, and those two people who worked with him could be wrong and that is selection bias, and hire him anyway, or are you going to take a pass? Why should I be so much more generous with the government?