Why do you care, as a worker, about leakers and low performers? I understand being frustrated if people you work with are obstructionist, poor communicators, or

Why do you care, as a worker, about leakers and low performers? I understand being frustrated if people you work with are obstructionist, poor communicators, or have bad attitudes - but in my experience most of those people would be classified by the company as HIGH performers. The “low performers” are, in my experience, the most fun to work with.